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What will be the output of the following python code?
x=['ab', 'cd']
for i in x:
x.append(i.upper())
print(x)
for i in x:
x.append(i.upper())
print(x)
- a)['AB', 'CD']
- b)['ab', 'cd', 'AB', 'CD']
- c)['ab', 'cd']
- d)none of these
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
What will be the output of the following python code?x=[ab, cd]for i i...
The loop does not terminate as new elements are being added to the list in each iteration.
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What will be the output of the following python code?x=[ab, cd]for i i...
Explanation:
The given code snippet is written in Python and it involves a list 'x' containing two elements 'ab' and 'cd'.
The code snippet contains a loop that iterates through each element in the list 'x'.
Inside the loop, it appends the uppercase version of each element to the list 'x'.
Execution:
1. The loop starts with the first element 'ab'.
2. It appends the uppercase version of 'ab' to the list 'x', so the list becomes ['ab', 'cd', 'AB'].
3. The loop moves to the next element 'cd'.
4. It appends the uppercase version of 'cd' to the list 'x', so the list becomes ['ab', 'cd', 'AB', 'CD'].
5. Since there are no more elements in the list 'x', the loop terminates.
Final Output:
After the loop terminates, the 'print(x)' statement is executed and it prints the final state of the list 'x', which is ['ab', 'cd', 'AB', 'CD'].
Therefore, the correct output is option 'b' - [ab, cd, AB, CD].
The given code snippet is written in Python and it involves a list 'x' containing two elements 'ab' and 'cd'.
The code snippet contains a loop that iterates through each element in the list 'x'.
Inside the loop, it appends the uppercase version of each element to the list 'x'.
Execution:
1. The loop starts with the first element 'ab'.
2. It appends the uppercase version of 'ab' to the list 'x', so the list becomes ['ab', 'cd', 'AB'].
3. The loop moves to the next element 'cd'.
4. It appends the uppercase version of 'cd' to the list 'x', so the list becomes ['ab', 'cd', 'AB', 'CD'].
5. Since there are no more elements in the list 'x', the loop terminates.
Final Output:
After the loop terminates, the 'print(x)' statement is executed and it prints the final state of the list 'x', which is ['ab', 'cd', 'AB', 'CD'].
Therefore, the correct output is option 'b' - [ab, cd, AB, CD].
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