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Python filter() Function

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Questions and Answers

What is the primary purpose of the filter() function in Python?

To apply a filter function to an iterable and return a list

To convert an iterable to a tuple

To apply a filter function to an iterable and return an iterator (correct)

To sort an iterable in ascending order

What data structure is used to store mappings between keys and values in Python?

Tuple

Dictionary (correct)

Set

List

What is the result of calling my_dict'a' in the given example?

4 (correct)

What is the purpose of the list() function in the context of iterators?

To convert an iterator to a list Signup and view all the answers

What is the benefit of using functions as values in a dictionary?

It enables the application of different functions to different values based on their keys Signup and view all the answers

What is the return type of the filter() function in Python?

Iterator Signup and view all the answers

What is the syntax to apply the function square to the value 2 in the given example?

my_dict<a href="2">'a'</a> Signup and view all the answers

What is the output of the print statement print(my_dict'b') in the given example?

8 Signup and view all the answers

What is the advantage of using the filter() function in Python?

It enables the selection of specific elements from a large data set Signup and view all the answers

What is the purpose of the iterator in the context of the filter() function?

To iterate over the filtered elements Signup and view all the answers