Practice - Mapping Functions to New Names
Practice Questions
Test your understanding with targeted questions
What is the result of calling g = f, if f() returns 5, and g() is then executed?
💡 Hint: Think about what `f` represents after the assignment.
Define a function named identity that returns its input.
💡 Hint: Remember the simplest form of a function!
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the result of mapping function f to g?
💡 Hint: Consider what happens when two names reference the same object.
True or False: Functions cannot be assigned to variables in Python.
💡 Hint: Think of how variables can hold different types.
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Challenge Problems
Push your limits with advanced challenges
Create a function that accepts a function and a list and returns a new list where each element has been transformed by the passed function.
💡 Hint: Utilize list comprehension to streamline your solution.
Write a function that sorts a list of strings first by length, then alphabetically.
💡 Hint: Consider using a tuple in the key for multi-criteria sorting.
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Reference links
Supplementary resources to enhance your learning experience.