Practice Global and Local Variables - 3.3 | Chapter 8: Statements and Scope | ICSE Class 12 Computer Science
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Global and Local Variables

3.3 - Global and Local Variables

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a global variable?

💡 Hint: Think about where it can be accessed from.

Question 2 Easy

In which scenario can you access a local variable?

💡 Hint: Consider the visibility of variables.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a local variable?

A variable defined outside a function
A variable defined inside a function
A variable that is global

💡 Hint: Where do you see local variables in your code?

Question 2

The global keyword is used to:

Declare a new variable
Modify a global variable
Delete a variable

💡 Hint: Think of variable access rules.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a program that utilizes both global and nonlocal variables. Explain how changes to these variables affect function outputs.

💡 Hint: Consider how each variable interacts within its scope.

Challenge 2 Hard

Describe a scenario where using global variables could lead to debugging issues in a large codebase.

💡 Hint: Think about function interactions and data flow.

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