change global variable in function python code example

Example 1: global variable not working python

trying to assign a global variable in a function will result in the function creating a new variable
with that name even if theres a global one. ensure to declare a as global in the function before any
assignment.

a = 7
def setA(value):
    global a   # declare a to be a global
    a = value  # this sets the global value of a

Example 2: python global variables

global var1
var1 = 'whatever'

Example 3: how to make variable global in python

global variable
variable = 'whatever'

Example 4: 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 5: global variable python

a = 0

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

Example 6: global var in python

a = input('Hello: ')
if a == 'world':
  global b
  b = input('Here')
print b
#Prints the input for be as a result