<reponame>janusnic/py-21v
# -*- coding:utf-8 -*-
def a(b):
    b[0] = 2
  
c = [3]
print c
a(c)
print c
# -*- coding:utf-8 -*-
def a(b):
    b[0] = 2
  
c = [3]
print c
a(c)
print c
# -*- coding:utf-8 -*-