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Question 18 - JN0-223 discussion

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Given the following Python script:

a = [1,2,3,4,5,6,7,8,9]

print(a[0])

What is the output of this print command?

A.
1
Answers
A.
1
B.
2
Answers
B.
2
C.
7
Answers
C.
7
D.
9
Answers
D.
9
Suggested answer: A

Explanation:

In Python, lists are zero-indexed, meaning the first element of the list is at index 0. The given script is:

pythona = [1, 2, 3, 4, 5, 6, 7, 8, 9]

print(a[0])

a[0] refers to the first element in the list a, which is 1.

So, the output of the print(a[0]) command is 1.

Option A is correct because Python indexing starts at 0, making the first element of the list at index 0.

Python Official Documentation: Covers list indexing and operations.

Python Programming Tutorials: Provide examples of list indexing.

asked 18/09/2024
Jari Tetteroo
38 questions
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