Practice Advanced Usage (33.8.2) - Global scope, nested functions - Data Structures and Algorithms in Python
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Advanced Usage

Practice - Advanced Usage

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define a global variable and access it within a function.

💡 Hint: Remember to define the variable at the top level.

Question 2 Easy

What keyword is used to access a global variable inside a function?

💡 Hint: Think about modifying a variable inside a function.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a global variable?

A variable that is only accessible within its own function.
A variable that can be accessed anywhere in the program.
A static variable.

💡 Hint: Consider the keywords and definitions discussed.

Question 2

True or False: A nested function cannot access variables from its enclosing function.

True
False

💡 Hint: Recall how nested functions operate.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a program that tracks multiple global settings using nested functions to modify and retrieve their values.

💡 Hint: Focus on how nested functions can be used to manipulate global state securely.

Challenge 2 Hard

Discuss how reliance on global variables can impact the readability and maintainability of a codebase.

💡 Hint: Think about coding conventions and practices that promote maintainability.

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Reference links

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