global variable python in function code example

Example 1: python global variables

global var1
var1 = 'whatever'

Example 2: 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 3: global variable python

#it is best not to use global variables in a function
#(pass it as an argument)
a = 'This is global a'
def yourFunction():
    global a
    return a[0:2]

Example 4: global variable python

a = 0

def testFor():
  global a 
  if(a == 0):
    	#run code

Example 5: how to declare global variable in python

global n
n = 'whatever'