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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a pure function?
💡 Hint: Think about functions that return values without changing anything outside them.
Question 2
Easy
Give an example of a pure function.
💡 Hint: Consider basic arithmetic operations.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Which of the following describes a pure function?
- It modifies a global state.
- It always returns the same output for the same input.
- It requires external dependencies.
💡 Hint: Think about whether the function's output can change based on external factors.
Question 2
True or False: Pure functions can change their output for the same input if global variables change.
- True
- False
💡 Hint: Recall the properties of pure functions.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a pure function that calculates the factorial of a number without using global variables.
💡 Hint: Think about how recursion can help achieve this.
Question 2
Explain how transitioning a project from using impure functions to pure functions could improve maintainability. Provide at least two specific improvements.
💡 Hint: Consider aspects of code quality and debugging.
Challenge and get performance evaluation