syntax for global variable in python code example

Example 1: python access global variable

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

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 in python

x = 5

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


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