#!/usr/bin/python

# -*- coding=utf-8 -*- from __future__ import division

def count(x,y,operate):

    result = {"+":x+y,            "-":x-y,            "*":x*y,            "/":x/y}     return result.get(operate)

print count(2,3,"*")

#把列表作为参数传递及缺省参数实例

def useargs(args=[],operator="+"):

    x = args[0]     y = args[1]     result1 = {"+":x+y}     return result1.get(operator)

print useargs((2,3))

def usechundi(**d):

    a = d.keys()     b = d.values()     print a     print b

usechundi(one="1",two="2",three="3")

#字符串的连接 def BuildSqlConnection(sql):     return ";".join(["%s=%s" %(k,v) for k,v in sql.items()])

sql = {"server":"mpilgrim",

       "database":"master",        "uid":"sa",        "pwd":"secret"}

print BuildSqlConnection(sql)

 

运行结果:

6

5 ['three', 'two', 'one'] ['3', '2', '1'] pwd=secret;database=master;uid=sa;server=mpilgrim

本文转sinojelly51CTO博客，原文链接：http://blog.51cto.com/pnig0s1992/364014，如需转载请自行联系原作者