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Global Constants in Python

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Questions and Answers

What is a global constant in Python?

A variable that is defined within a class and can be accessed by all its methods

A variable that can be changed throughout the program

A variable that is defined outside of any function and can be accessed throughout the program (correct)

A variable that can only be used within a specific function

Where should global constants be defined in Python?

Outside of any function or class (correct)

Inside a loop

Inside a class

Inside a specific function

Can the value of a global constant be changed in Python?

No, it remains constant throughout the program (correct)

Yes, it can be changed at any point in the program

No, it can only be used within a class

Yes, but only within a specific function

Global constants in Python can be defined using the 'const' keyword.

False Signup and view all the answers

Global constants in Python are declared outside of any function or class.

True Signup and view all the answers

The value of a global constant in Python can be changed during runtime.

False Signup and view all the answers

Study Notes

Global Constants in Python

A global constant in Python is a variable whose value remains unchanged throughout the program.
Global constants should be defined at the top-level of a module, outside of any function or class.
There is no 'const' keyword in Python, and global constants are simply defined using uppercase letters and underscores (e.g., MY_CONSTANT).
Despite the convention, the value of a global constant can be changed during runtime, but it's discouraged to do so to maintain code readability and maintainability.

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Description

Test your knowledge of global constants in Python with this quiz! Learn about what a global constant is, where it should be defined, and whether its value can be changed.