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Select the correct answerSuppose list1 is [28, 383, 26, 89, 25], What is list1[:-1]?OptionsError[25, 89, 26, 383, 28][28, 383, 26, 89]25

Question

Select the correct answerSuppose list1 is [28, 383, 26, 89, 25], What is list1[:-1]?OptionsError[25, 89, 26, 383, 28][28, 383, 26, 89]25

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Solution

The correct answer is [28, 383, 26, 89].

Here's why:

In Python, list slicing is used to extract parts of the list. The syntax for list slicing is list[start:stop:step]. If any of these are unspecified, they default to the values start=0, stop=size of list, step=1.

In this case, list1[:-1] means start at the beginning of the list (because start is unspecified and defaults to 0), stop at one before the end of the list (because -1 in Python indexing means the last element), and step through the list one element at a time (because step is unspecified and defaults to 1).

So, list1[:-1] gives us all the elements of the list from the start to one before the end, which is [28, 383, 26, 89].

This problem has been solved

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