#!/usr/bin/python3
lst=[1,2,3,4]

def test():
	global lst
	lst=[1,2,3,4,5]
	print(lst)
	#lst.append("Hello")
	print ("test list id=",id(lst))

def main():
	test()
	print ("main list id=",id(lst))
	print (lst)	

if __name__=="__main__":
	main()