# -*- coding: gb2312 -*-
"""
Created on Tue Sep 29 20:40:13 2015
@author: Administrator
"""
"""bool变量及运算Begin"""
"""
print "1+1是否等于2:",1+1==2
print "1+1是否等于3:",1+1==3
print "1+1不等于2",1+1 !=2
print "1+1不等于3",1+1 !=3
print "与运算",1+1==2 and 1+1==3
print "或运算",1+1==2 or 1+1 == 3
print "非运算",not 1+1 == 2
a=[1,2,3,4]
print "包含运算元素1是否在集合a中：",1 in a
print "包含运算元素6是否在集合a中：",6 in a
"""
"""bool变量及运算END"""
"""分岔路--if
light = "green"
if light =="red":
print "Stop"
elif light == "green":
print "Go"
else:
print "show down"
"""
"""循环轮转--while
sum = 0
i = 1
while i <= 100:
sum = sum + i
i = i + 1
print sum
"""
"""有一个轮转 --for
num = [0,1,2,3,4]
for i in num:
print i
print "------万恶的分界线------"
for i in num:
print i+1
contact ={"Lilei":"012312","Hanmeimei":"123123"}
for i in contact:
print i,contact[i]
"""
"""循环控制
num = [0,1,2,3,-4,5]
for i in num:
if i<0:
break
print i
print "------万恶的分界线------"
for i in num:
if i<0:
continue
print i
"""
"""操作打包--函数
num = [1,2,3,4,5]
def addsum(num):
sum = 0
for i in num:
sum = sum + i
return sum
num2 = [1,2,2,4,5,8]
print "集合num1求和",addsum(num)
print "集合num2求和",addsum(num2)
"""
"""作用域
x=1
def change():
x=10
print "x in function",x
change()
print x
print "------万恶的分界线------"
def change1():
global x
x=10
print "x in function",x
change1()
print x
"""
"""函数重打包--模块
import math
print math.pi
print math.sin(math.pi/2)
print "模块包帮助中心",dir(math)
"""
