What is a global variable?
An example of an AI chatbot conversation about global variables in programming.
Can you explain what a global variable is?
A global variable is a variable that is accessible from any part of the program, not limited to a specific function.
How does it differ from a local variable?
A local variable is only accessible within the function or block where it is defined, while a global variable can be accessed anywhere.
What are the advantages of using global variables?
Global variables can simplify data sharing across functions, but they can also lead to issues with data integrity if not managed carefully.
Are there any downsides to using global variables?
Yes, they can cause conflicts and make debugging harder, as changes in one part of the program can affect others.
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