How do I use global variables in Python?
An example of an AI chatbot conversation about using global variables in Python.
How do I use global variables in Python?
In Python, you can declare a global variable by using the global keyword inside a function. This allows you to modify the variable outside its scope.
Can you give me an example?
Sure! Here's a simple example:
x = 10 # global variable
def modify_global():
global x
x += 5 # modifies the global variable
modify_global()
print(x) # Output will be 15
What if I forget to use the global keyword?
If you forget to use the global keyword, Python will treat the variable as a local variable, and you'll get an error if you try to modify it.
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