QuickCodes.md

Python Quick Codes

Mixed quick codes

Codes will be categorized as they increase 🤔

Operations On A Global Variable

A Code With Error

counter = 0
def increase():
   counter += 1

increase()
print(counter)

Error:

Traceback (most recent call last):
  File "temp.py", line 8, in <module>
    increase()
  File "temp.py", line 5, in increase
    counter+=1
UnboundLocalError: local variable 'counter' referenced before assignment

Error-free Code

counter = 0
def increase():
   global counter
   counter += 1

increase()
print(counter)

# Output: 1