python核心编程-作用域

#!/usr/bin/env python# -*- coding: UTF -*-j, k = 1, 2def proc1():    j, k = 3, 4    print "j == %d and k == %d" % (j, k)    k = 5def proc2():    j = 6    proc1() #j=3,k=4    print "j == %d and k == %d" % (j, k)k = 7proc1()  #j==3,k==4print "j == %d and k == %d" % (j, k)  #j=1,k=7j = 8proc2()  #j = 6,k =7print "j == %d and k == %d" % (j, k) # j=8,k=7

输出:

D:\Python27\test>func23.pyj == 3 and k == 4j == 1 and k == 7j == 3 and k == 4j == 6 and k == 7j == 8 and k == 7