Practice - Global Scope, Nested Functions
Practice Questions
Test your understanding with targeted questions
What is a global variable?
💡 Hint: Consider the places in the code where you can use it.
How can you modify a global variable inside a function?
💡 Hint: Remember the keyword that indicates a variable is global.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is true about global variables?
💡 Hint: Think about their accessibility.
A nested function can access the variables of its enclosing function. Is this true?
💡 Hint: Consider scopes.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Write a Python program that demonstrates global variables and modifies them within multiple functions. Explain the output.
💡 Hint: Be sure to declare the variable globally.
Create a nested function that calculates the factorial of a number using closures. Explain how the inner function uses the outer's scope.
💡 Hint: Factorial needs a loop, consider using recursion or iteration in the inner function.
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Reference links
Supplementary resources to enhance your learning experience.