python how to use a global variable in a function code example

Example 1: global in python

a = 'this is a global variable'
def yourFunction(arg):
    #you need to declare a global variable, otherwise an error
    global a
    return a.split(' ')

Example 2: how to global variables in python

def Takenin():
  global ans 
  ans = "This is the coorect way to do it"

def Return():
    Takenin()
    print(f"ans :{ans}")