#!/usr/bin/env python
# -*- encoding:utf-8 -*-
#enumerate
c = ['a', 'b', 'c', 'd']
for (index, item) in enumerate(c):
print index, item
name = ['lk', 'sun', 'maidou']
city = ['qd', 'qs', 'dg']
d = dict(zip(name, city))
print d
#open file
with open('d:/test/ToPdf.py') as fp:
for line in fp:
print line,
#map
a = [1, 2, 3, 4]
b = map(lambda x: x+1, a)
print b
#filter,
c = filter(lambda x: x%2==0, a)
print c
print "sum", reduce(lambda x, y: x+y, a)