The Complete Python Course - Global Keyword: Change the Value of a Global Variable

The video tutorial explains how to work with global variables in Python, including declaring and accessing them. It demonstrates changing the value of a global variable using the global keyword, with a step-by-step example of creating a Python file and modifying a global variable within a function. The tutorial also covers the concept of scope, distinguishing between inner and outer values, and concludes with a recap of the key points discussed.

What is the purpose of the global keyword in Python?

• To delete a variable

• To create a new variable

• To modify a global variable

• To declare a variable as local

Which of the following best describes the scope of a global variable?

• It is only accessible within the file it is declared

• It can be accessed from anywhere in the code

• It can only be accessed within the function it is declared

• It is only accessible within a class

In the example provided, what is the initial value assigned to the global variable?

• 15

• 5

• 0

• 10

What happens to the global variable's value after the function is called in the example?

• It is updated to a new value

• It is deleted

• It remains unchanged

• It is reset to its initial value

What is the final value of the global variable after running the program?

• 15

• 10

• 5

• 0