global 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(' ')
    

global variable
variable = 'whatever'

global var1
var1 = 'whatever'

a = 0

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

globvar = 0

def set_globvar_to_one():
    global globvar    # Needed to modify global copy of globvar
    globvar = 1

def print_globvar():
    print(globvar)     # No need for global declaration to read value of globvar

set_globvar_to_one()
print_globvar()       # Prints 1

global n
n = 'whatever'

"allows you to modify a variable outside its class or function"

x = 5

def foo():
    global x = 10
    print("local x:", x)


foo()
print("global x:", x)

globals 1, 2, 3