What are global variables in programming?

What are global variables in programming?

Global variables are variables that are accessible from any part of the program, not limited to a specific function.

Can you give me an example of a global variable?

Sure! In Python, you can define a global variable like this: x = 10. This variable can be accessed anywhere in the code.

What are the advantages and disadvantages of using global variables?

Advantages include easy access and sharing of data across functions. Disadvantages are potential conflicts and difficulty in debugging.

When should I avoid using global variables?

You should avoid them when you want to maintain modularity and prevent unintended side effects in your code.