#!/usr/bin/python3.8
nl=[1,2,3,4,5]
s=10
def add_s_k(k):
	#global s
	nl[0]=10
	#print (nl)
	#s=k #s+k
def main():
	add_s_k(3)
	print(nl)
if __name__=="__main__":
	main()