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All questions of Loops for Software Development Exam
What will be the output of the following code snippet?
for i in range(5):
if i == 2:
break
print(i, end=" ")
else:
print("Done")- a)0 1 2 Done
- b)0 1
- c)0 1 2
- d)0 1 2 3 4 Done
Correct answer is option 'A'. Can you explain this answer?
What will be the output of the following code snippet?
for i in range(5):
if i == 2:
break
print(i, end=" ")
else:
print("Done")
for i in range(5):
if i == 2:
break
print(i, end=" ")
else:
print("Done")
a)
0 1 2 Done
b)
0 1
c)
0 1 2
d)
0 1 2 3 4 Done
|
Shaikha Fawaz Al Ameri answered |
The code is incomplete and will result in a syntax error. The code is missing the closing parentheses for the "end" parameter in the print statement.
The correct code should be:
```python
for i in range(5):
if i == 2:
break
print(i, end='')
```
With the correct code, the output will be:
```
01
```
The correct code should be:
```python
for i in range(5):
if i == 2:
break
print(i, end='')
```
With the correct code, the output will be:
```
01
```
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What is the output of the following code?
for i in range(2, 6):
if i % 2 == 0:
continue
print(i, end=" ")- a)2 4
- b)2 3 4 5
- c)3 5
- d)2 3 4
Correct answer is option 'C'. Can you explain this answer?
What is the output of the following code?
for i in range(2, 6):
if i % 2 == 0:
continue
print(i, end=" ")
for i in range(2, 6):
if i % 2 == 0:
continue
print(i, end=" ")
a)
2 4
b)
2 3 4 5
c)
3 5
d)
2 3 4
|
Jawaher Al Dhaheri answered |
The code you provided is incomplete. The line `print(i, end=` is missing the closing parenthesis and the desired output is not specified. Please provide the complete code and specify the desired output so that I can assist you further.
What is the output of the following code?
for i in range(5):
if i == 2:
continue
print(i, end=" ")
else:
print("Loop completed")- a)0 1 3 4 Loop completed
- b)0 1 2 3 4 Loop completed
- c)0 1 2 3 4
- d)Loop completed
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code?
for i in range(5):
if i == 2:
continue
print(i, end=" ")
else:
print("Loop completed")
for i in range(5):
if i == 2:
continue
print(i, end=" ")
else:
print("Loop completed")
a)
0 1 3 4 Loop completed
b)
0 1 2 3 4 Loop completed
c)
0 1 2 3 4
d)
Loop completed
|
|
Sonal Yadav answered |
The loop iterates over the range range(5), which generates the numbers 0, 1, 2, 3, and 4. When i is equal to 2, the continue statement is encountered, skipping the print statement for 2. The else block is executed after the loop completes, printing "Loop completed."
What is the output of the following code snippet?
for i in range(5):
if i == 3:
pass
print(i, end=" ")- a)0 1 2 3 4
- b)0 1 2 4
- c)0 1 2 3
- d)0 1 2 3 4 4 4 ...
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code snippet?
for i in range(5):
if i == 3:
pass
print(i, end=" ")
for i in range(5):
if i == 3:
pass
print(i, end=" ")
a)
0 1 2 3 4
b)
0 1 2 4
c)
0 1 2 3
d)
0 1 2 3 4 4 4 ...
|
Youssef Al Shehhi answered |
The code snippet provided is incomplete and contains a syntax error. The "end=" argument of the print() function is missing its value.
To provide a complete answer, the code snippet should be modified as follows:
```python
for i in range(5):
if i == 3:
pass
print(i, end=" ")
```
With this modification, the output of the code snippet will be:
```
0 1 2 3 4
```
To provide a complete answer, the code snippet should be modified as follows:
```python
for i in range(5):
if i == 3:
pass
print(i, end=" ")
```
With this modification, the output of the code snippet will be:
```
0 1 2 3 4
```
How many times will the following loop execute? for i in range(5):- a)0
- b)4
- c)5
- d)6
Correct answer is option 'C'. Can you explain this answer?
How many times will the following loop execute? for i in range(5):
a)
0
b)
4
c)
5
d)
6
|
|
Sonal Yadav answered |
The range(5) generates a sequence of numbers from 0 to 4 (5 numbers). The loop will execute five times, once for each number in the range.
How do you create an infinite loop in Python?- a)Using a while loop with a condition that is always true.
- b)Using a for loop with a condition that is always true.
- c)Using a do-while loop.
- d)Infinite loops cannot be created in Python.
Correct answer is option 'A'. Can you explain this answer?
How do you create an infinite loop in Python?
a)
Using a while loop with a condition that is always true.
b)
Using a for loop with a condition that is always true.
c)
Using a do-while loop.
d)
Infinite loops cannot be created in Python.
|
|
Sonal Yadav answered |
An infinite loop can be created in Python by using a while loop with a condition that is always true.
What is the output of the following code?
num = 10
for i in range(2, num):
if num % i == 0:
print("Not a prime number")
break
else:
print("Prime number")- a)Not a prime number
- b)Prime number
- c)Not a prime number Prime number
- d)No output
Correct answer is option 'B'. Can you explain this answer?
What is the output of the following code?
num = 10
for i in range(2, num):
if num % i == 0:
print("Not a prime number")
break
else:
print("Prime number")
num = 10
for i in range(2, num):
if num % i == 0:
print("Not a prime number")
break
else:
print("Prime number")
a)
Not a prime number
b)
Prime number
c)
Not a prime number Prime number
d)
No output
|
|
Jassim Al Omani answered |
The code is incomplete as it does not have a closing parenthesis. The correct code should be:
num = 10
for i in range(2, num):
if num % i == 0:
print(i)
The output of this code would be:
2
5
This is because the code is checking for factors of 10. It starts at 2 and checks if 10 is divisible by 2, which it is. Therefore, it prints 2. It then continues to check if 10 is divisible by 3, 4, 5, 6, 7, 8, or 9, but it is not divisible by any of these numbers. So, it does not print any additional numbers.
num = 10
for i in range(2, num):
if num % i == 0:
print(i)
The output of this code would be:
2
5
This is because the code is checking for factors of 10. It starts at 2 and checks if 10 is divisible by 2, which it is. Therefore, it prints 2. It then continues to check if 10 is divisible by 3, 4, 5, 6, 7, 8, or 9, but it is not divisible by any of these numbers. So, it does not print any additional numbers.
Which statement is used to exit a loop prematurely in Python?- a)next
- b)break
- c)pass
- d)continue
Correct answer is option 'B'. Can you explain this answer?
Which statement is used to exit a loop prematurely in Python?
a)
next
b)
break
c)
pass
d)
continue
|
Maitha Obaid Al Sharqi answered |
Explanation:
The correct statement used to exit a loop prematurely in Python is the break statement.
Break Statement:
The break statement is used to exit or terminate a loop prematurely. When the break statement is encountered inside a loop, the loop is immediately terminated, and the program execution continues with the next statement after the loop.
Usage:
The break statement can be used with the following loop structures in Python:
- for loop
- while loop
Example:
Let's consider an example where we want to print numbers from 1 to 5, but exit the loop if the number 3 is encountered. We can achieve this using the break statement as follows:
```
for i in range(1, 6):
print(i)
if i == 3:
break
```
Explanation of the Example:
- The for loop is used to iterate over the numbers from 1 to 5 (inclusive).
- Inside the loop, we print the current value of the variable i.
- We check if the value of i is equal to 3 using the if statement.
- If the condition is true, we encounter the break statement, which terminates the loop immediately.
- As a result, the program execution continues with the next statement after the loop.
Output:
The above example will output the following:
```
1
2
3
```
Conclusion:
The break statement is used to exit a loop prematurely in Python. It is useful when we want to terminate a loop based on a certain condition.
The correct statement used to exit a loop prematurely in Python is the break statement.
Break Statement:
The break statement is used to exit or terminate a loop prematurely. When the break statement is encountered inside a loop, the loop is immediately terminated, and the program execution continues with the next statement after the loop.
Usage:
The break statement can be used with the following loop structures in Python:
- for loop
- while loop
Example:
Let's consider an example where we want to print numbers from 1 to 5, but exit the loop if the number 3 is encountered. We can achieve this using the break statement as follows:
```
for i in range(1, 6):
print(i)
if i == 3:
break
```
Explanation of the Example:
- The for loop is used to iterate over the numbers from 1 to 5 (inclusive).
- Inside the loop, we print the current value of the variable i.
- We check if the value of i is equal to 3 using the if statement.
- If the condition is true, we encounter the break statement, which terminates the loop immediately.
- As a result, the program execution continues with the next statement after the loop.
Output:
The above example will output the following:
```
1
2
3
```
Conclusion:
The break statement is used to exit a loop prematurely in Python. It is useful when we want to terminate a loop based on a certain condition.
Which of the following statements is true about loops in Python?- a)Loops are used to execute a block of code a specified number of times.
- b)Loops are used to repeat a block of code indefinitely.
- c)Loops can only be used with numbers and not with other data types.
- d)Loops are not supported in Python.
Correct answer is option 'A'. Can you explain this answer?
Which of the following statements is true about loops in Python?
a)
Loops are used to execute a block of code a specified number of times.
b)
Loops are used to repeat a block of code indefinitely.
c)
Loops can only be used with numbers and not with other data types.
d)
Loops are not supported in Python.
|
|
Sonal Yadav answered |
Loops in Python are used to repeat a block of code a specified number of times.
What is the output of the following code snippet?
for i in range(3):
for j in range(3):
if j == 1:
break
print(i, j)- a)0 0
- b)0 1
- c)0 0 1 1 2 2
- d)0 0 0 1 1 1 2 2 2
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code snippet?
for i in range(3):
for j in range(3):
if j == 1:
break
print(i, j)
for i in range(3):
for j in range(3):
if j == 1:
break
print(i, j)
a)
0 0
b)
0 1
c)
0 0 1 1 2 2
d)
0 0 0 1 1 1 2 2 2
|
Zayed Al Rumaithi answered |
Explanation:
The code snippet provided uses nested loops to iterate over the values of `i` and `j`. The outer loop runs three times, while the inner loop runs three times for each iteration of the outer loop.
Iteration 1:
- `i = 0`
- Inner loop:
- `j = 0`: The condition `j == 1` is not satisfied, so the code inside the inner loop is executed.
- Output: `0 0`
- `j = 1`: The condition `j == 1` is satisfied, so the `break` statement is executed, causing the inner loop to terminate.
Iteration 2:
- `i = 1`
- Inner loop:
- `j = 0`: The condition `j == 1` is not satisfied, so the code inside the inner loop is executed.
- Output: `1 0`
- `j = 1`: The condition `j == 1` is satisfied, so the `break` statement is executed, causing the inner loop to terminate.
Iteration 3:
- `i = 2`
- Inner loop:
- `j = 0`: The condition `j == 1` is not satisfied, so the code inside the inner loop is executed.
- Output: `2 0`
- `j = 1`: The condition `j == 1` is satisfied, so the `break` statement is executed, causing the inner loop to terminate.
Final Output:
The code snippet will output the following values:
- `0 0`
- `1 0`
- `2 0`
Therefore, the correct answer is option 'A'.
The code snippet provided uses nested loops to iterate over the values of `i` and `j`. The outer loop runs three times, while the inner loop runs three times for each iteration of the outer loop.
Iteration 1:
- `i = 0`
- Inner loop:
- `j = 0`: The condition `j == 1` is not satisfied, so the code inside the inner loop is executed.
- Output: `0 0`
- `j = 1`: The condition `j == 1` is satisfied, so the `break` statement is executed, causing the inner loop to terminate.
Iteration 2:
- `i = 1`
- Inner loop:
- `j = 0`: The condition `j == 1` is not satisfied, so the code inside the inner loop is executed.
- Output: `1 0`
- `j = 1`: The condition `j == 1` is satisfied, so the `break` statement is executed, causing the inner loop to terminate.
Iteration 3:
- `i = 2`
- Inner loop:
- `j = 0`: The condition `j == 1` is not satisfied, so the code inside the inner loop is executed.
- Output: `2 0`
- `j = 1`: The condition `j == 1` is satisfied, so the `break` statement is executed, causing the inner loop to terminate.
Final Output:
The code snippet will output the following values:
- `0 0`
- `1 0`
- `2 0`
Therefore, the correct answer is option 'A'.
What happens if the condition in a while loop is initially False?- a)The loop is skipped entirely.
- b)The loop runs once and then exits.
- c)The loop runs indefinitely.
- d)An error is thrown.
Correct answer is option 'A'. Can you explain this answer?
What happens if the condition in a while loop is initially False?
a)
The loop is skipped entirely.
b)
The loop runs once and then exits.
c)
The loop runs indefinitely.
d)
An error is thrown.
|
|
Yasmin Al Bakri answered |
If the condition in a while loop is initially False:
If the condition in a while loop is initially False, the loop is skipped entirely. The code inside the while loop is not executed, and the program moves on to the next line of code after the while loop.
Explanation:
A while loop is a control flow statement that allows a certain block of code to be executed repeatedly as long as a specified condition is True. The condition is checked before each iteration of the loop, and if it evaluates to False, the loop is terminated and the program continues with the next line of code after the loop.
When the condition in a while loop is initially False, it means that the loop will never execute because the condition is not met from the start. The program skips the entire block of code inside the while loop and moves on to the next line of code.
This behavior is useful when we want to ensure that a loop is executed only when a certain condition is True. If the condition is initially False, it indicates that the loop is not necessary, and the program can proceed without executing the loop.
Example:
Let's consider an example to illustrate this behavior:
```
x = 0
while x > 5:
print("Inside the while loop")
x += 1
print("Outside the while loop")
```
In this example, the condition `x > 5` is initially False because `x` is assigned a value of 0. Therefore, the while loop is skipped entirely, and the program directly moves to the line `print("Outside the while loop")`. As a result, the output will be:
```
Outside the while loop
```
Conclusion:
When the condition in a while loop is initially False, the loop is skipped entirely, and the program continues with the next line of code after the loop. It is important to ensure that the condition in a while loop is appropriately initialized to prevent infinite loops or unnecessary iterations.
If the condition in a while loop is initially False, the loop is skipped entirely. The code inside the while loop is not executed, and the program moves on to the next line of code after the while loop.
Explanation:
A while loop is a control flow statement that allows a certain block of code to be executed repeatedly as long as a specified condition is True. The condition is checked before each iteration of the loop, and if it evaluates to False, the loop is terminated and the program continues with the next line of code after the loop.
When the condition in a while loop is initially False, it means that the loop will never execute because the condition is not met from the start. The program skips the entire block of code inside the while loop and moves on to the next line of code.
This behavior is useful when we want to ensure that a loop is executed only when a certain condition is True. If the condition is initially False, it indicates that the loop is not necessary, and the program can proceed without executing the loop.
Example:
Let's consider an example to illustrate this behavior:
```
x = 0
while x > 5:
print("Inside the while loop")
x += 1
print("Outside the while loop")
```
In this example, the condition `x > 5` is initially False because `x` is assigned a value of 0. Therefore, the while loop is skipped entirely, and the program directly moves to the line `print("Outside the while loop")`. As a result, the output will be:
```
Outside the while loop
```
Conclusion:
When the condition in a while loop is initially False, the loop is skipped entirely, and the program continues with the next line of code after the loop. It is important to ensure that the condition in a while loop is appropriately initialized to prevent infinite loops or unnecessary iterations.
What is the output of the following code snippet?
x = 5
while x > 0:
print(x)
x -= 1- a)5 4 3 2 1
- b)1 2 3 4 5
- c)1 2 3 4
- d)5 4 3
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code snippet?
x = 5
while x > 0:
print(x)
x -= 1
x = 5
while x > 0:
print(x)
x -= 1
a)
5 4 3 2 1
b)
1 2 3 4 5
c)
1 2 3 4
d)
5 4 3
|
Hamad Al Azizi answered |
Explanation:
- Initialization: The variable x is initialized with a value of 5.
- Loop: The while loop runs as long as the value of x is greater than 0.
- Output: Inside the loop, the current value of x is printed and then decremented by 1.
- Termination: The loop continues until x becomes 0.
Step-by-step Execution:
1. x = 5, x is greater than 0, print 5, x becomes 4
2. x = 4, x is greater than 0, print 4, x becomes 3
3. x = 3, x is greater than 0, print 3, x becomes 2
4. x = 2, x is greater than 0, print 2, x becomes 1
5. x = 1, x is greater than 0, print 1, x becomes 0
6. x = 0, exit the loop
Final Output:
The code snippet will output:
5
4
3
2
1
Therefore, the correct answer is option A) 5 4 3 2 1.
- Initialization: The variable x is initialized with a value of 5.
- Loop: The while loop runs as long as the value of x is greater than 0.
- Output: Inside the loop, the current value of x is printed and then decremented by 1.
- Termination: The loop continues until x becomes 0.
Step-by-step Execution:
1. x = 5, x is greater than 0, print 5, x becomes 4
2. x = 4, x is greater than 0, print 4, x becomes 3
3. x = 3, x is greater than 0, print 3, x becomes 2
4. x = 2, x is greater than 0, print 2, x becomes 1
5. x = 1, x is greater than 0, print 1, x becomes 0
6. x = 0, exit the loop
Final Output:
The code snippet will output:
5
4
3
2
1
Therefore, the correct answer is option A) 5 4 3 2 1.
What is the output of the following code snippet?
while True:
print("Hello")
break
print("World")- a)Hello World
- b)Hello (infinite repetition)
- c)Hello
- d)World
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code snippet?
while True:
print("Hello")
break
print("World")
while True:
print("Hello")
break
print("World")
a)
Hello World
b)
Hello (infinite repetition)
c)
Hello
d)
World
|
|
Saif Al Abdulla answered |
Explanation:
Code Explanation:
- The code snippet contains a while loop that will run indefinitely because the condition "True" is always true.
- Inside the loop, the statement "print('Hello')" will be executed repeatedly.
Output:
- The output of the code will be "Hello" printed repeatedly.
How the Output is Achieved:
- The code enters the while loop and prints "Hello" indefinitely.
- However, the loop is terminated using the "break" statement after the first iteration.
- As a result, the "Hello" is printed once before breaking out of the loop.
- After breaking out of the loop, the statement "print('World')" is executed, printing "World" after the "Hello".
Therefore, the final output of the code snippet is:
"Hello
World"
Code Explanation:
- The code snippet contains a while loop that will run indefinitely because the condition "True" is always true.
- Inside the loop, the statement "print('Hello')" will be executed repeatedly.
Output:
- The output of the code will be "Hello" printed repeatedly.
How the Output is Achieved:
- The code enters the while loop and prints "Hello" indefinitely.
- However, the loop is terminated using the "break" statement after the first iteration.
- As a result, the "Hello" is printed once before breaking out of the loop.
- After breaking out of the loop, the statement "print('World')" is executed, printing "World" after the "Hello".
Therefore, the final output of the code snippet is:
"Hello
World"
What is the output of the following code snippet?
for i in range(5):
if i == 3:
break
print(i)
else:
print("Finished")
- a)0 1 2
- b)0 1 2 3 4
- c)0 1 2 3 4 Finished
- d)Finished
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code snippet?
for i in range(5):
if i == 3:
break
print(i)
else:
print("Finished")
for i in range(5):
if i == 3:
break
print(i)
else:
print("Finished")
a)
0 1 2
b)
0 1 2 3 4
c)
0 1 2 3 4 Finished
d)
Finished
|
|
Sonal Yadav answered |
The for loop iterates over the range of numbers from 0 to 4. When i equals 3, the break statement is executed, causing the loop to exit prematurely. Since the else block is associated with the for loop, it is not executed.
What is the output of the following code?
num = 10
while num > 0:
print(num, end=" ")
num //= 2- a)10 5 2 1
- b)10 8 6 4 2
- c)10 9 8 7 6 5 4 3 2 1
- d)10 10 10 10 10 10 10 10 10 10
Correct answer is option 'B'. Can you explain this answer?
What is the output of the following code?
num = 10
while num > 0:
print(num, end=" ")
num //= 2
num = 10
while num > 0:
print(num, end=" ")
num //= 2
a)
10 5 2 1
b)
10 8 6 4 2
c)
10 9 8 7 6 5 4 3 2 1
d)
10 10 10 10 10 10 10 10 10 10
|
|
Maha Jassem Al Abbas answered |
The code provided is incomplete and does not have a valid condition for the while loop. Therefore, it would result in a syntax error.
What is the output of the following code snippet?
for i in range(3):
for j in range(3):
if j == 1:
continue
print(i, j)- a)0 0 1 0 2 0
- b)0 0 1 1 2 2
- c)0 0 1 2 2 2
- d)0 0 1 2
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code snippet?
for i in range(3):
for j in range(3):
if j == 1:
continue
print(i, j)
for i in range(3):
for j in range(3):
if j == 1:
continue
print(i, j)
a)
0 0 1 0 2 0
b)
0 0 1 1 2 2
c)
0 0 1 2 2 2
d)
0 0 1 2
|
|
Mohammed Al Harbi answered |
Explanation:
The code snippet provided consists of nested for loops. The outer loop iterates over the range from 0 to 2 (inclusive), and the inner loop also iterates over the range from 0 to 2 (inclusive).
Iteration 1:
- The outer loop variable `i` is 0.
- The inner loop variable `j` is 0.
- Since `j` is not equal to 1, the `continue` statement is not executed.
- The print statement `print(i, j)` is executed, and the output is `0 0`.
Iteration 2:
- The outer loop variable `i` is 0.
- The inner loop variable `j` is 1.
- Since `j` is equal to 1, the `continue` statement is executed.
- The `continue` statement skips the remaining code in the inner loop and goes to the next iteration of the inner loop.
- Therefore, the print statement is not executed in this iteration.
Iteration 3:
- The outer loop variable `i` is 0.
- The inner loop variable `j` is 2.
- Since `j` is not equal to 1, the `continue` statement is not executed.
- The print statement `print(i, j)` is executed, and the output is `0 2`.
The same process repeats for the next iterations of the outer loop, with `i` incrementing from 0 to 1 and then to 2.
Overall Output:
- The code snippet will produce the following output:
```
0 0
0 2
1 0
1 2
2 0
2 2
```
Therefore, the correct answer is option A: `0 0 0 2 1 0 1 2 2 0 2`.
The code snippet provided consists of nested for loops. The outer loop iterates over the range from 0 to 2 (inclusive), and the inner loop also iterates over the range from 0 to 2 (inclusive).
Iteration 1:
- The outer loop variable `i` is 0.
- The inner loop variable `j` is 0.
- Since `j` is not equal to 1, the `continue` statement is not executed.
- The print statement `print(i, j)` is executed, and the output is `0 0`.
Iteration 2:
- The outer loop variable `i` is 0.
- The inner loop variable `j` is 1.
- Since `j` is equal to 1, the `continue` statement is executed.
- The `continue` statement skips the remaining code in the inner loop and goes to the next iteration of the inner loop.
- Therefore, the print statement is not executed in this iteration.
Iteration 3:
- The outer loop variable `i` is 0.
- The inner loop variable `j` is 2.
- Since `j` is not equal to 1, the `continue` statement is not executed.
- The print statement `print(i, j)` is executed, and the output is `0 2`.
The same process repeats for the next iterations of the outer loop, with `i` incrementing from 0 to 1 and then to 2.
Overall Output:
- The code snippet will produce the following output:
```
0 0
0 2
1 0
1 2
2 0
2 2
```
Therefore, the correct answer is option A: `0 0 0 2 1 0 1 2 2 0 2`.
What is the output of the following code?
for i in range(3):
for j in range(2):
print(i + j, end=" ")- a)0 1 1 2 2 3
- b)0 1 1 2 2 3 3 4
- c)1 2 3 4 5 6
- d)0 1 2 0 1 2
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code?
for i in range(3):
for j in range(2):
print(i + j, end=" ")
for i in range(3):
for j in range(2):
print(i + j, end=" ")
a)
0 1 1 2 2 3
b)
0 1 1 2 2 3 3 4
c)
1 2 3 4 5 6
d)
0 1 2 0 1 2
|
|
Hani Al Wahidi answered |
The code provided is incomplete and contains a syntax error. The end= parameter is missing a value.
The corrected code is as follows:
```python
for i in range(3):
for j in range(2):
print(i, j, end="")
```
The output of this code will be:
```
00 01 10 11 20 21
```
Each pair of `i` and `j` values will be printed together with no space in between.
The corrected code is as follows:
```python
for i in range(3):
for j in range(2):
print(i, j, end="")
```
The output of this code will be:
```
00 01 10 11 20 21
```
Each pair of `i` and `j` values will be printed together with no space in between.
What is the output of the following code snippet?
for i in range(1, 6):
if i == 3:
continue
print(i, end=" ")- a)1 2 3 4 5
- b)1 2 3
- c)1 2 4 5
- d)1 2 4
Correct answer is option 'C'. Can you explain this answer?
What is the output of the following code snippet?
for i in range(1, 6):
if i == 3:
continue
print(i, end=" ")
for i in range(1, 6):
if i == 3:
continue
print(i, end=" ")
a)
1 2 3 4 5
b)
1 2 3
c)
1 2 4 5
d)
1 2 4
|
|
Jawaher Juma Al Masoudi answered |
Explanation:
- The code snippet provided uses a for loop to iterate through the range of numbers from 1 to 6.
- When the value of i is equal to 3, the continue statement is executed, which skips the remaining code inside the loop for that particular iteration.
- The print statement is used to display the value of i, separated by a space and without a new line character.
Output:
- When the code is executed, the output will be as follows:
- 1 2 4 5
- The number 3 is skipped due to the continue statement, resulting in the sequence of numbers being printed without 3.
- The code snippet provided uses a for loop to iterate through the range of numbers from 1 to 6.
- When the value of i is equal to 3, the continue statement is executed, which skips the remaining code inside the loop for that particular iteration.
- The print statement is used to display the value of i, separated by a space and without a new line character.
Output:
- When the code is executed, the output will be as follows:
- 1 2 4 5
- The number 3 is skipped due to the continue statement, resulting in the sequence of numbers being printed without 3.
What is the output of the following code?
num = 6
for i in range(2, num):
if num % i == 0:
print("Not a prime number")
break
else:
print("Prime number")- a)Not a prime number
- b)Prime number
- c)Not a prime number Prime number
- d)No output
Correct answer is option 'B'. Can you explain this answer?
What is the output of the following code?
num = 6
for i in range(2, num):
if num % i == 0:
print("Not a prime number")
break
else:
print("Prime number")
num = 6
for i in range(2, num):
if num % i == 0:
print("Not a prime number")
break
else:
print("Prime number")
a)
Not a prime number
b)
Prime number
c)
Not a prime number Prime number
d)
No output
|
|
Sonal Yadav answered |
The loop checks if the given number num is divisible by any number from 2 to num-1. If it finds a factor, it prints "Not a prime number" and breaks out of the loop. Otherwise, it prints "Prime number."
What is the output of the following code snippet?
i = 0
while i < 5:
print(i)
i += 1
if i == 3:
break
else:
print("Finished")- a)0 1 2
- b)0 1 2 Finished
- c)0 1 2 3 Finished
- d)0 1 2 3 4 Finished
Correct answer is option 'B'. Can you explain this answer?
What is the output of the following code snippet?
i = 0
while i < 5:
print(i)
i += 1
if i == 3:
break
else:
print("Finished")
i = 0
while i < 5:
print(i)
i += 1
if i == 3:
break
else:
print("Finished")
a)
0 1 2
b)
0 1 2 Finished
c)
0 1 2 3 Finished
d)
0 1 2 3 4 Finished
|
|
Sonal Yadav answered |
The while loop iterates as long as i is less than 5. When i equals 3, the break statement is executed, causing the loop to exit prematurely. Since the else block is associated with the while loop, it is not executed.
What is the output of the following code?
for i in range(5):
if i == 3:
break
print(i)
else:
print("Loop completed")- a)0 1 2
- b)0 1 2 Loop completed
- c)1 2 3 Loop completed
- d)Loop completed
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code?
for i in range(5):
if i == 3:
break
print(i)
else:
print("Loop completed")
for i in range(5):
if i == 3:
break
print(i)
else:
print("Loop completed")
a)
0 1 2
b)
0 1 2 Loop completed
c)
1 2 3 Loop completed
d)
Loop completed
|
|
Jassem Al Abbas answered |
The code provided is incomplete and contains a syntax error. The closing parentheses and quotation mark are missing after the last "print(" statement. Here is the corrected code:
```python
for i in range(5):
if i == 3:
break
print(i)
else:
print("Finished")
```
The output of the corrected code would be:
```
0
1
2
```
The "for" loop iterates over the range from 0 to 4. When "i" equals 3, the "break" statement is executed, which terminates the loop. The "print(i)" statement is then skipped for the value of 3. Since the loop is not completed normally, the "else" block is not executed.
```python
for i in range(5):
if i == 3:
break
print(i)
else:
print("Finished")
```
The output of the corrected code would be:
```
0
1
2
```
The "for" loop iterates over the range from 0 to 4. When "i" equals 3, the "break" statement is executed, which terminates the loop. The "print(i)" statement is then skipped for the value of 3. Since the loop is not completed normally, the "else" block is not executed.
What is the output of the following code?
for i in range(2, 10, 3): print(i, end=" ")- a)2 5 8
- b)2 3 4 5 6 7 8 9
- c)2 4 6 8
- d)3 6 9
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code?
for i in range(2, 10, 3): print(i, end=" ")
for i in range(2, 10, 3): print(i, end=" ")
a)
2 5 8
b)
2 3 4 5 6 7 8 9
c)
2 4 6 8
d)
3 6 9
|
|
Sonal Yadav answered |
The range(2, 10, 3) generates a sequence of numbers starting from 2 and incrementing by 3 at each step until less than 10. The loop prints each number in the sequence.
What is the output of the following code?
for i in range(3):
print(i)
else:
print("Loop completed")- a)0 1 2
- b)0 1 2 Loop completed
- c)1 2 3 Loop completed
- d)Loop completed
Correct answer is option 'B'. Can you explain this answer?
What is the output of the following code?
for i in range(3):
print(i)
else:
print("Loop completed")
for i in range(3):
print(i)
else:
print("Loop completed")
a)
0 1 2
b)
0 1 2 Loop completed
c)
1 2 3 Loop completed
d)
Loop completed
|
|
Sonal Yadav answered |
The loop iterates over the range range(3), which generates the numbers 0, 1, and 2. The else block is executed after the loop completes, printing "Loop completed."
What is the output of the following code?
i = 1
while i < 5:
print(i)
if i == 3:
break
i += 1- a)1 2 3
- b)1 2 3 4
- c)1 2 3 4 5
- d)Infinite loop
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code?
i = 1
while i < 5:
print(i)
if i == 3:
break
i += 1
i = 1
while i < 5:
print(i)
if i == 3:
break
i += 1
a)
1 2 3
b)
1 2 3 4
c)
1 2 3 4 5
d)
Infinite loop
|
|
Sonal Yadav answered |
The while loop executes until the condition i < 5 is false. Inside the loop, i is printed, and if it becomes equal to 3, the break statement is encountered, terminating the loop.
What does the pass statement do in Python?- a)It exits the loop completely.
- b)It skips the current iteration and continues with the next one.
- c)It does nothing and acts as a placeholder.
- d)It breaks out of the current iteration of the loop.
Correct answer is option 'C'. Can you explain this answer?
What does the pass statement do in Python?
a)
It exits the loop completely.
b)
It skips the current iteration and continues with the next one.
c)
It does nothing and acts as a placeholder.
d)
It breaks out of the current iteration of the loop.
|
|
Sonal Yadav answered |
The pass statement in Python does nothing and acts as a placeholder when a statement is required syntactically but no action is needed.
What is the purpose of the range() function in Python loops?- a)It specifies the number of times the loop should run.
- b)It generates a sequence of numbers that can be used in the loop.
- c)It checks if a condition is met to exit the loop.
- d)It breaks out of the current iteration of the loop.
Correct answer is option 'B'. Can you explain this answer?
What is the purpose of the range() function in Python loops?
a)
It specifies the number of times the loop should run.
b)
It generates a sequence of numbers that can be used in the loop.
c)
It checks if a condition is met to exit the loop.
d)
It breaks out of the current iteration of the loop.
|
|
Sonal Yadav answered |
The range() function in Python generates a sequence of numbers that can be used in loops.
What is the output of the following code snippet?
for i in range(1, 6):
print(i, end=" ")
if i == 3:
break- a)1 2 3 4 5
- b)1 2 3
- c)1 2 3 3 3 ...
- d)3 3 3 ...
Correct answer is option 'B'. Can you explain this answer?
What is the output of the following code snippet?
for i in range(1, 6):
print(i, end=" ")
if i == 3:
break
for i in range(1, 6):
print(i, end=" ")
if i == 3:
break
a)
1 2 3 4 5
b)
1 2 3
c)
1 2 3 3 3 ...
d)
3 3 3 ...
|
|
Sonal Yadav answered |
The for loop iterates over the range of numbers from 1 to 5. When i equals 3, the break statement is executed, causing the loop to exit prematurely.
What is the output of the following code snippet?
for i in range(5):
if i == 2:
break
print(i)- a)0 1 2
- b)0 1
- c)0 1 3 4
- d)0 1 3
Correct answer is option 'B'. Can you explain this answer?
What is the output of the following code snippet?
for i in range(5):
if i == 2:
break
print(i)
for i in range(5):
if i == 2:
break
print(i)
a)
0 1 2
b)
0 1
c)
0 1 3 4
d)
0 1 3
|
|
Sonal Yadav answered |
The loop iterates over the range of numbers from 0 to 4. When i equals 2, the break statement is executed, causing the loop to exit prematurely.
What is the output of the following code?
num = 5
for i in range(num):
print(i, end=" ")
if i == 2:
break- a)0 1 2
- b)0 1 2 3 4
- c)0 1 2 0 1 2 0 1 2 0 1 2
- d)0 1 2 0 1 2
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code?
num = 5
for i in range(num):
print(i, end=" ")
if i == 2:
break
num = 5
for i in range(num):
print(i, end=" ")
if i == 2:
break
a)
0 1 2
b)
0 1 2 3 4
c)
0 1 2 0 1 2 0 1 2 0 1 2
d)
0 1 2 0 1 2
|
|
Sonal Yadav answered |
The loop iterates over the range range(num), which generates the numbers 0, 1, 2, 3, and 4. When i is equal to 2, the break statement is encountered, terminating the loop.
What is the difference between break and continue statements in Python loops?- a)break exits the loop completely, while continue skips the current iteration and continues with the next one.
- b)continue exits the loop completely, while break skips the current iteration and continues with the next one.
- c)Both break and continue exit the loop completely.
- d)Both break and continue skip the current iteration and continue with the next one.
Correct answer is option 'A'. Can you explain this answer?
What is the difference between break and continue statements in Python loops?
a)
break exits the loop completely, while continue skips the current iteration and continues with the next one.
b)
continue exits the loop completely, while break skips the current iteration and continues with the next one.
c)
Both break and continue exit the loop completely.
d)
Both break and continue skip the current iteration and continue with the next one.
|
|
Sonal Yadav answered |
The break statement in Python exits the loop completely, while the continue statement skips the current iteration and continues with the next one.
How can you exit a loop prematurely in Python?- a)Using the exit() function.
- b)Using the quit() function.
- c)Using the break statement.
- d)Using the continue statement.
Correct answer is option 'C'. Can you explain this answer?
How can you exit a loop prematurely in Python?
a)
Using the exit() function.
b)
Using the quit() function.
c)
Using the break statement.
d)
Using the continue statement.
|
|
Sonal Yadav answered |
To exit a loop prematurely in Python, the break statement is used.
What is the output of the following code?
num = 10
if num % 2 == 0:
print("Even")
else:
print("Odd")- a)Even
- b)Odd
- c)10
- d)No output
Correct answer is option 'A'. Can you explain this answer?
What is the output of the following code?
num = 10
if num % 2 == 0:
print("Even")
else:
print("Odd")
num = 10
if num % 2 == 0:
print("Even")
else:
print("Odd")
a)
Even
b)
Odd
c)
10
d)
No output
|
|
Sonal Yadav answered |
The code checks if the number num is divisible by 2 using the modulus operator (%). If the remainder is 0, it is an even number and "Even" is printed.
What is the purpose of the range() function in a for loop?- a)To specify the number of iterations
- b)To iterate over a sequence of numbers
- c)To define the loop variable
- d)To determine the loop condition
Correct answer is option 'B'. Can you explain this answer?
What is the purpose of the range() function in a for loop?
a)
To specify the number of iterations
b)
To iterate over a sequence of numbers
c)
To define the loop variable
d)
To determine the loop condition
|
|
Sonal Yadav answered |
The range() function is used in a for loop to generate a sequence of numbers to iterate over. It allows specifying the start, end, and step size of the sequence.
Which loop construct allows the execution of a set of statements at least once, even if the loop condition is false?- a)for loop
- b)while loop
- c)do-while loop
- d)nested loop
Correct answer is option 'C'. Can you explain this answer?
Which loop construct allows the execution of a set of statements at least once, even if the loop condition is false?
a)
for loop
b)
while loop
c)
do-while loop
d)
nested loop
|
|
Sonal Yadav answered |
In Python, there is no direct construct for a do-while loop. However, we can achieve the same behavior by using a while loop with an initial condition and then checking the loop condition.
Which loop in Python allows you to execute a block of code as long as a condition is true?- a)for loop
- b)while loop
- c)do-while loop
- d)until loop
Correct answer is option 'B'. Can you explain this answer?
Which loop in Python allows you to execute a block of code as long as a condition is true?
a)
for loop
b)
while loop
c)
do-while loop
d)
until loop
|
|
Sonal Yadav answered |
The while loop in Python allows you to execute a block of code as long as a condition is true.
How many times will the following loop execute? while True:- a)0
- b)1
- c)Infinite loop
- d)Depends on the loop condition
Correct answer is option 'C'. Can you explain this answer?
How many times will the following loop execute? while True:
a)
0
b)
1
c)
Infinite loop
d)
Depends on the loop condition
|
|
Sonal Yadav answered |
The condition True is always true, so the while loop will continue executing indefinitely unless there is a break statement or an external interrupt.
What is the output of the following code?
num = 5
for i in range(num):
if i == 3:
continue
print(i, end=" ")- a)0 1 2 3 4
- b)0 1 2 4
- c)0 1 2 3
- d)0 1 2 3 4 5
Correct answer is option 'B'. Can you explain this answer?
What is the output of the following code?
num = 5
for i in range(num):
if i == 3:
continue
print(i, end=" ")
num = 5
for i in range(num):
if i == 3:
continue
print(i, end=" ")
a)
0 1 2 3 4
b)
0 1 2 4
c)
0 1 2 3
d)
0 1 2 3 4 5
|
|
Sonal Yadav answered |
The loop iterates over the range range(num), which generates the numbers 0, 1, 2, 3, and 4. When i is equal to 3, the continue statement is encountered, skipping the print statement for 3.
Which loop is ideal to use when the number of iterations is unknown?- a)for loop
- b)while loop
- c)do-while loop
- d)All of the above
Correct answer is option 'B'. Can you explain this answer?
Which loop is ideal to use when the number of iterations is unknown?
a)
for loop
b)
while loop
c)
do-while loop
d)
All of the above
|
|
Sonal Yadav answered |
The while loop is ideal to use when the number of iterations is unknown because it repeatedly executes a block of code as long as a given condition is true.
Chapter doubts & questions for Loops - Basics of Python 2024 is part of Software Development exam preparation. The chapters have been prepared according to the Software Development exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Software Development 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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