Practice - Programming, Data Structures and Algorithms in Python
Practice Questions
Test your understanding with targeted questions
Define a global variable in a Python script.
💡 Hint: Remember to declare it outside any function.
What is the main purpose of a nested function?
💡 Hint: Think about encapsulation.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main benefit of using a nested function?
💡 Hint: Think about organization of code.
True or False: Global variables can be defined inside a function.
💡 Hint: Review how global variables are declared.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Create a full Python program that uses both a global variable and a nested function. Explain how the program demonstrates the use of both.
💡 Hint: Focus on showing how global access aids multiple operations.
Write a nested function that modifies a variable in the outer scope, explain a closure.
💡 Hint: Think about how variables persist in memory.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.