Lesson - 24 : Python3 - Python Function : Global variables vs local variables
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Python Function : Global variables vs local variables:
Local Variables:
Variables declared inside a function body is known as Local Variable. These have a local access thus these variables cannot be accessed outside the function body in which they are declared.
Global Variable:
Variable defined outside the function is called Global Variable. Global variable is accessed all over program thus global variable have widest accessibility.
Example :
xy = 100
def cool():
xy = 200 # xy inside the function is totally different from xy outside the function
print(xy) # this will print local xy variable i.e 200
cool()
print(xy) # this will print global xy variable i.e 100
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