转自: https://blog.csdn.net/u010003835/article/details/5077029
# -*- coding: utf-8 -*-
"""
Created on Thu Jul 19 19:51:08 2018
@author: yhl
"""
a=[10,23,45,87]
print '1:'
for val in a:
print val,
print '\n\n2:'
for index,val in enumerate(a):
print index,val
print '\n3:'
for i in range(len(a)):
print i,a[i]
print '\n4:' #使用iter()
for val in iter(a):
print val,
输出:
1:
10 23 45 87
2:
0 10
1 23
2 45
3 87
3:
0 10
1 23
2 45
3 87
4:
10 23 45 87