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What will be the output of the following code snippet?
arr = [[1, 2], [3, 4, 5], [6, 7, 8, 9]]
print(len(arr[1]))
arr = [[1, 2], [3, 4, 5], [6, 7, 8, 9]]
print(len(arr[1]))
- a)1
- b)2
- c)3
- d)4
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
What will be the output of the following code snippet?arr = [[1, 2], [...
The code snippet uses the len() function to get the length of the second row of the 2D array. The length is 4.
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Community Answer
What will be the output of the following code snippet?arr = [[1, 2], [...
Code Explanation:
The given code snippet initializes a 2-dimensional list called "arr" with three sublists. Each sublist contains a different number of elements.
The second line of code prints the length of the second sublist in the "arr" list.
Code Execution:
The code will execute in the following steps:
1. The list "arr" is initialized with three sublists:
- The first sublist [1, 2] contains 2 elements.
- The second sublist [3, 4, 5] contains 3 elements.
- The third sublist [6, 7, 8, 9] contains 4 elements.
2. The print statement is executed to display the length of the second sublist, arr[1].
- The index 1 refers to the second sublist [3, 4, 5].
- The len() function returns the number of elements in the sublist.
- Therefore, the output will be the length of the second sublist, which is 3.
Output:
The output of the code snippet will be:
3
The given code snippet initializes a 2-dimensional list called "arr" with three sublists. Each sublist contains a different number of elements.
The second line of code prints the length of the second sublist in the "arr" list.
Code Execution:
The code will execute in the following steps:
1. The list "arr" is initialized with three sublists:
- The first sublist [1, 2] contains 2 elements.
- The second sublist [3, 4, 5] contains 3 elements.
- The third sublist [6, 7, 8, 9] contains 4 elements.
2. The print statement is executed to display the length of the second sublist, arr[1].
- The index 1 refers to the second sublist [3, 4, 5].
- The len() function returns the number of elements in the sublist.
- Therefore, the output will be the length of the second sublist, which is 3.
Output:
The output of the code snippet will be:
3
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What will be the output of the following code snippet?arr = [[1, 2], [3, 4, 5], [6, 7, 8, 9]]print(len(arr[1]))a)1b)2c)3d)4Correct answer is option 'D'. Can you explain this answer?
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