Question

How to declare and use global variables in Python

Answer 1

s = "python 2"

def update_s_local():
  s = "update_s_local() python 3"
  
def update_s_global():
  global s
  s = "update_s_global() python 3"


update_s_local()
print(s)

update_s_global()
print(s)

  
  
  
  
  
'''
run:
  
python 2
update_s_global() python 3
  
'''

 

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