Practice - Using Functions as First-Class Objects
Practice Questions
Test your understanding with targeted questions
Define a function that returns the square of a number. What is its default value?
💡 Hint: Think about how to square a number using a function.
What happens if you call a function that has a default argument without providing that argument?
💡 Hint: Remember how default values work.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What are first-class functions in Python?
💡 Hint: Remember how you can assign functions to variables.
True or False: Functions in Python cannot be passed as arguments.
💡 Hint: Consider examples where a function is passed to another function.
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Challenge Problems
Push your limits with advanced challenges
Create a higher-order function in Python that takes a list of numbers and returns a list of those numbers squared. The function should also accept an optional parameter indicating whether the output should be sorted.
💡 Hint: Build the squared list, then use conditional logic to sort if needed.
Implement a function that accepts a function as an argument, applies it to a list of numbers and returns the modified list. Include error handling for non-callable arguments.
💡 Hint: Check if the provided argument is callable before applying it to the list.
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Reference links
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