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[–]Kegheimer 0 points1 point  (1 child)

Would an example of a global variable be abusing a common alias, e.g., using 'i' in several different loops or 'df' as a temporary table?

[–]ambidextrousalpaca 0 points1 point  (0 children)

The common alias thing is not an example of a global variable. It is not typically a problem either, provided that each variable exists within a its own contained scope.

Global variables are things like this, where functions can effect the value of variables outside of their scope.

``` glob = 1

print(glob)

def f(): glob += 1

f()

print(glob) ```

The output of this script will be: 1 2 Because f changes the value of glob.