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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a global variable?
💡 Hint: Think about where this variable is defined.
Question 2
Easy
What is a generator in Python?
💡 Hint: Consider its memory usage benefits.
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
What is the advantage of using local variables over global variables?
- Slower execution
- Faster execution
- More error-prone
💡 Hint: Think about how Python searches for variable definitions.
Question 2
True or False: Generators compute values upfront and store them in memory.
- True
- False
💡 Hint: Consider how generators handle memory.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Python function that demonstrates the difference in memory usage between a list and a generator for generating Fibonacci numbers up to N.
💡 Hint: Use `yield` for the generator.
Question 2
Create a performance comparison script that uses timeit to evaluate the speed of a built-in function versus a manual loop for computing the sum of a list.
💡 Hint: Set up two functions and run them through `timeit`.
Challenge and get performance evaluation