This content originally appeared on flaviocopes.com and was authored by flaviocopes.com
When you declare a variable, that variable is visible in parts of your program, depending on where you declare it.
If you declare it outside of any function, the variable is visible to any code running after the declaration, including functions:
age = 8
def test():
print(age)
print(age) # 8
test() # 8We call it a global variable.
If you define a variable inside a function, that variable is a local variable, and it is only visible inside that function. Outside the function, it is not reachable:
def test():
age = 8
print(age)
test() # 8
print(age)
# NameError: name 'age' is not defined
This content originally appeared on flaviocopes.com and was authored by flaviocopes.com
flaviocopes.com | Sciencx (2021-01-03T05:00:00+00:00) Python variables scope. Retrieved from https://www.scien.cx/2021/01/03/python-variables-scope/
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