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What is the output of the following code?
x = [1, 2, 3]
x.append(4)
print(len(x))
  • a)
    1
  • b)
    2
  • c)
    3
  • d)
    4
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
What is the output of the following code?x = [1, 2, 3]x.append(4)print...
Code Explanation:
The given code snippet demonstrates the usage of the append() function and the len() function in Python.

Code Execution:
1. The list x is initially assigned with the values [1, 2, 3].
2. The append() function is used to add the value 4 to the end of the list x.
3. The len() function is used to determine the length of the list x.
4. The length of the list x is printed using the print() function.

Output:
The output of the code will be:
4

Explanation:
- The append() function is used to add an element to the end of a list. In this case, the value 4 is appended to the list x.
- The len() function returns the number of elements in a list. After appending the value 4 to the list x, the length of the list becomes 4.
- Therefore, when the print() function is called with len(x), it outputs the value 4.
Free Test
Community Answer
What is the output of the following code?x = [1, 2, 3]x.append(4)print...
The code appends the value 4 to the list x, and then prints the length of the list using the
len()
function, which is 4.
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What is the output of the following code?x = [1, 2, 3]x.append(4)print(len(x))a)1b)2c)3d)4Correct answer is option 'D'. Can you explain this answer?
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