#!/usr/local/bin/python3
#eggs = 15
def spam():
    global chickens
    chickens = "it is a global"
    eggs = "local spam's eggs"
    bacon()
    print(eggs)

def bacon():
    ham = "local bacon's ham"
    eggs = "local bacon's eggs"
    print(eggs)
spam()
bacon()
print(chickens)

def spam():
   #global eggs
    eggs = 'spam'

eggs = 'global'
spam()
print(eggs)