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Questions and Answers
Which statement best describes list comprehension in Python?
Which statement best describes list comprehension in Python?
- It allows you to combine two or more lists into a single list.
- It allows you to iterate through a list and perform a conditional test on each item.
- It allows you to modify an existing list without creating a new list.
- It allows you to create a new list based on the values of an existing list in a shorter syntax. (correct)
What is the syntax for list comprehension in Python?
What is the syntax for list comprehension in Python?
- newlist = [expression for item in iterable if condition == True] (correct)
- newlist = [expression if condition == True for item in iterable]
- newlist = [expression for item in iterable]
- newlist = [expression if condition == True]
What does the condition in list comprehension do?
What does the condition in list comprehension do?
- It modifies the expression for each item in the iterable.
- It acts as a filter to accept only items that evaluate to True. (correct)
- It specifies the number of items to include in the new list.
- It checks if the iterable is empty before creating a new list.
What is the purpose of iterable in list comprehension?
What is the purpose of iterable in list comprehension?
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What happens to the old list when using list comprehension?
What happens to the old list when using list comprehension?
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