#coding=utf-8
#!/usr/bin/python
 
 counter = 100 # 赋值整型变量
 miles = 1000.0 # 浮点型
 name = "John" # 字符串
 
 print counter
 print miles
 print name

a = b = c = 1
a, b, c = 1, 2, "john"

print(type('100'))

total = item_one +  
       item_two + 
       item_three

days = ['Monday', 'Tuesday', 'Wednesday',
        'Thursday', 'Friday']

#!/usr/bin/python
str = input("Enter your input: ");
print "Received input is : ", str

a = raw_input('please input your name:')
print a

#!/usr/bin/python
# -*- coding: UTF-8 -*-

x="a"
y="b"
# 换行输出
print x
print y

print '---------'
# 不换行输出
print x,
print y,

# 不换行输出
print x,y

#!/usr/bin/python
# -*- coding: UTF-8 -*-

a = 10
b = 20
list = [1, 2, 3, 4, 5 ];

if ( a in list ):
   print "1 - 变量 a 在给定的列表中 list 中"
else:
   print "1 - 变量 a 不在给定的列表中 list 中"

if ( b not in list ):
   print "2 - 变量 b 不在给定的列表中 list 中"
else:
   print "2 - 变量 b 在给定的列表中 list 中"

# 修改变量 a 的值
a = 2
if ( a in list ):
   print "3 - 变量 a 在给定的列表中 list 中"
else:
   print "3 - 变量 a 不在给定的列表中 list 中"

#!/usr/bin/python
# -*- coding: UTF-8 -*-

a = 20
b = 20

if ( a is b ):
   print "1 - a 和 b 有相同的标识"
else:
   print "1 - a 和 b 没有相同的标识"

if ( id(a) == id(b) ):
   print "2 - a 和 b 有相同的标识"
else:
   print "2 - a 和 b 没有相同的标识"

# 修改变量 b 的值
b = 30
if ( a is b ):
   print "3 - a 和 b 有相同的标识"
else:
   print "3 - a 和 b 没有相同的标识"

if ( a is not b ):
   print "4 - a 和 b 没有相同的标识"
else:
   print "4 - a 和 b 有相同的标识"

1 - a 和 b 有相同的标识
2 - a 和 b 有相同的标识
3 - a 和 b 没有相同的标识
4 - a 和 b 没有相同的标识

var1 = 'Hello World!'
var2 = """
今天我想写首诗,
歌颂我的同桌,
你看他那乌黑的短发,
好像一只杂毛鸡。
"""

#!/usr/bin/python

var1 = 'Hello World!'
var2 = "Python w3cschool"
print "var1[0]: ", var1[0]
print "var2[1:5]: ", var2[1:5]

#!/usr/bin/python
# -*- coding: UTF-8 -*-

var1 = 'Hello '
print "更新字符串 :- ", var1[:6] + 'World!!'

#!/usr/bin/python
# -*- coding: UTF-8 -*-

a = "Hello"
b = "Python"
if( "H" in a) :
    print "H 在变量 a 中" 
else :
	print "H 不在变量 a 中" 

if( "M" not in a) :
    print "M 不在变量 a 中" 
else :
	print "M 在变量 a 中"
print r'n'
print R'n'

s='ABCDEFGHIJKLMN'
print('s[0]:',s[0])
# 结果:A

s='ABCDEFGHIJKLMN'
print('s[-1]:',s[-1])
# 结果:N

s='ABCDEFGHIJKLMN'
print('s[0:4]:',s[0:4])
# ABCD

print('s[0:-1]:',s[0:-1])
# ABCDEFGHIJKLM

s='ABCDEFGHIJKLMN'
print('s[:],s[0:]:',s[:],s[0:])
# ABCDEFGHIJKLMN ABCDEFGHIJKLMN

s='ABCDEFGHIJKLMN'
 print('s[:100]:',s[:100])
 # ABCDEFGHIJKLMN

s='ABCDEFGHIJKLMN'
 print('s[-2:-4]:'s[-2:-4])
 print('s[0:0]:'s[0:0])
 # null null

s='ABCDEFGHIJKLMN'
print('s[0:5:2]:',s[0:5:2])
# ACE，隔2取1
print('s[0:6:2]:',s[0:6:2])
# ACE	
print('s[0:7:2]:',s[0:7:2])
# ACEG

s='ABCDEFGHIJKLMN'
print('s[4:0:-1]:',s[4:0:-1])
# EDCB 实现反转
print('s[4:-1:-1]:',s[4:-1:-1])
# null
print('s[4::-1]:',s[4::-1])
# EDCBA 默认为开头之前
print('s[3::-2]:',s[3::-2])
# DB
print('s[-1::-1]:',s[-1::-1])
# NMLKJIHGFEDCBA
print('s[-2::-1]:',s[-2::-1])
# MLKJIHGFEDCBA
print('s[::-1]:',s[::-1])
# NMLKJIHGFEDCBA

#!/usr/bin/python
print("My name is %s and weight is %d kg!" % ('Zara', 21))

#-*- encoding:utf-8  -*-
name=input("请输入姓名:")
age=input("请输入年龄:")
hobby=input("请输入爱好:")
print ''' ==============================
Name : %s
Age  : %d
Hobby: %s
==============================
''' %(name,int(age),hobby)
print("我的名字:%s,今年:%d,爱好:%s" %(name,int(age),hobby))

>>>print u'Hello World !'
u'Hello World !'

#!/usr/bin/python
# -*- encoding:utf-8 -*-
s = " iLove Python ! "
print s.strip()
s1 = "*%m%arvelous%*tranq*uil%"
print s1.strip('%')
print s1.strip('%*')

s2 = "TCP 0.0.0.0:80 0.0.0.0:0 LISTENING"
print s2.split()             #['TCP', '0.0.0.0:80', '0.0.0.0:0', 'LISTENING']
print s2.split(':')          #['TCP 0.0.0.0', '80 0.0.0.0', '0 LISTENING']

s14='我叫{},今年{},爱好{}'.format('小呆',18,'大白')
s15='我叫{0},今年{1},爱好{2}'.format('小呆',18,'大白')
s16='我叫{name},今年{age},爱好{hobby}'.format(age=18,name='小呆',hobby='大白')
print(s14)  # 我叫小呆,今年18,爱好大白
print(s15)  # 我叫小呆,今年18,爱好大白
print(s16)  # 我叫小呆,今年18,爱好大白

list1 = ['physics', 'chemistry', 1997, 2000];
list2 = [1, 2, 3, 4, 5 ];
list3 = ["a", "b", "c", "d"];

#!/usr/bin/python
# -*- encoding:utf-8 -*-
list1 = ['physics', 'chemistry', 1997, 2000];
list2 = [1, 2, 3, 4, 5 ];
list3 = ["a", "b", "c", "d"];
print "list1[0]: ", list1[0]        # list1[0]:  physics
print "list2[1:5]: ", list2[1:5]    # list2[1:5]:  [2, 3, 4, 5]

list = [1, 2, 3, 4, 5 ];
list1.append(6)

#!/usr/bin/python
list1 = ['physics', 'chemistry', 1997, 2000];
print list1;
del list1[2];
print "After deleting value at index 2 : "
print list1;

#encoding=utf-8

import json

list_words = [ '你', '我', '他' ]
print( list_words )                                        # 无法正常显示汉字
print( str(list_words).decode( 'string_escape' ) )         # 正常显示汉字

list_words_result = json.dumps( list_words, encoding='UTF-8', ensure_ascii=False )
print( list_words_result )

#!/usr/bin/python
# -*- encoding:utf-8 -*-
user = ['admin','root','administrator']
password = ['admin','admin888','123456']
password.append('123.com')
for i in admin:
    for j in password:
        print i,':',j

tup  = ()		
tup1 = ('physics', 'chemistry', 1997, 2000);
tup2 = (1, 2, 3, 4, 5 );
tup3 = "a", "b", "c", "d";

tup1 = (50,)

#!/usr/bin/python

tup1 = ('physics', 'chemistry', 1997, 2000);
tup2 = (1, 2, 3, 4, 5, 6, 7 );

print "tup1[0]: ", tup1[0]			#tup1[0]:  physics
print "tup2[1:5]: ", tup2[1:5]	#tup2[1:5]:  (2, 3, 4, 5)

#coding=utf-8
#!/usr/bin/python

tup1 = (12, 34.56);
tup2 = ('abc', 'xyz');

# 以下修改元组元素操作是非法的。
# tup1[0] = 100;

# 创建一个新的元组
tup3 = tup1 + tup2;
print tup3;						#(12, 34.56, 'abc', 'xyz')

#!/usr/bin/python

tup = ('physics', 'chemistry', 1997, 2000);

print tup;
del tup;
print "After deleting tup : "
print tup;		# NameError: name 'tup' is not defined

d = {key1 : value1, key2 : value2 }

dict1 = { 'abc': 456 };
dict2 = { 'abc': 123, 98.6: 37 };

#!/usr/bin/python
 
dict = {'Name': 'Zara', 'Age': 7, 'Class': 'First'};
 
print "dict['Name']: ", dict['Name'];
print "dict['Age']: ", dict['Age'];
print "dict['Alice']: ", dict['Alice'];

#!/usr/bin/python
 
dict = {'Name': 'Zara', 'Age': 7, 'Class': 'First'};
dict['Age'] = 8; # update existing entry
dict['School'] = "DPS School"; # Add new entry
print dict #{'School': 'DPS School', 'Age': 8, 'Name': 'Zara', 'Class': 'First'}

#coding=utf-8
#!/usr/bin/python
 
dict = {'Name': 'Zara', 'Age': 7, 'Class': 'First'};
 
del dict['Name']; # 删除键是'Name'的条目
dict.clear();     # 清空词典所有条目
del dict ;        # 删除词典
 
print "dict['Age']: ", dict['Age'];
print "dict['School']: ", dict['School'];

#!/usr/bin/python
dict = {['Name']: 'Zara', 'Age': 7};
print "dict['Name']: ", dict['Name'];

#!/usr/bin/python
# -*- encoding:utf-8 -*-
person = {
    '小明':{
        'name':'小明',
        'age':18,
        'sex':'M'
    },
    '小黑':{
        'name':'小黑',
        'age':18,
        'sex':'M'
    }
    }
person['小辰'] = {'name':'小辰','age':17,'sex':'M'}
print person['小黑']['name']	# 小黑

#!/usr/bin/python
# -*- encoding:utf-8 -*-
# 创建集合,关键字set
print('---------关系测试-----------')
list_1=[1,4,1,2,3,26,3,6,7,9,7,5]
list_1=set(list_1)
list_2=set([2,1,2,44,2,4,5,6,4,7])
print(list_1,list_2)
t = set("Hello")         #创建一个唯一字符的集合
# 取交集
print(list_1.intersection(list_2))
# 取并集
print(list_1.union(list_2))
# 取差集
print(list_1.difference(list_2))
print(list_2.difference(list_1))
# 子集判断
print(list_1.issubset(list_2))
# 父集判断
print(list_1.issuperset(list_2))
# 对称差集
print(list_1.symmetric_difference(list_2))  #两者中相互没有的
# 无交集判断
print(set([1,2]).isdisjoint(set([3,4])))
# 判断成员是否在集合中
print('x' in t)
print('x' not in t)
print("----------运算符----------")
# 交集
print(list_1&list_2)
# 并集
print(list_1|list_2)
# 差集
print(list_1-list_2)
print(list_2-list_1)
# 对称差集
print(list_1^list_2)
# 判断子集
print(list_1<=list_2)
print(set([1,2,3,4])>=set([1,2]))
print("------------基本操作------------")
#添加
t.add('xy')
print(t)
#添加多项
t.update('world')
print(t)
#删除
t.remove('xy')      #不存在会报错
print(t)
# 随机删除
print(list_1.pop())
# 删除指定元素
t.discard('u')      #不存在do nothing
print(t)
# 返回长度
print(len(t))
# 浅复制
s=t.copy()
print(s)
print(t)
s.add('q')
print(s)
print(t)

#coding:utf-8
commodity = (
    (1,"ipone",5800),
    (2,"bike",800),
    (3,"computer",5000),
    (4,"watch",1800)
)
salary_input = input("请输入您的工资:")
balance = int(salary_input)
shop_list=[]
if salary_input.isdigit():
    for i in range(len(commodity)):
        print("%d:%s:%d" %(commodity[i][0],commodity[i][1],commodity[i][2]))
    print("输入商品ID选择商品,输入q退出本次购物n")
    while True:
        choice = input("请输入您的选择:")
        if  choice.isdigit():
            choice_format=int(choice)
            if choice_format<len(commodity) and choice_format>0:
                if int(balance) >= commodity[choice_format-1][2]:
                    balance -= commodity[choice_format-1][2]
                    shop_list.append(commodity[choice_format-1])
                    print("已经将%s添加入购物车,您的余额为:33[31;1m%d33[0m" %(commodity[choice_format-1],balance))
                    continue
                else:
                    print("33[31;1m您的余额不够,还买个毛线啊33[0mn")
                    continue
            else:
                print("商品不存在,请重新输入")
                continue
        elif choice == 'q':
            print("======您的购物清单======n")
            for p in range(len(shop_list)):
                print("商品:%s,价格:%dn" %(shop_list[p][1],shop_list[p][2]))
            print("您的余额为:33[31;1m%d33[0m" %balance)
            print("购物愉快")
            exit()
        else:
            print("您的输入非法,请重新输入n")
else:
    print("您的输入非法,请重新输入n")

if 5>4 :
	print(666)
	print(777)

if 4>3:
	print('呆瓜')
else :
	print('小呆')

score = int(input('输入分数:'))
if score>100:
	print("A")
elif score>90:
	print("B")
elif score>60:
	print("C")
else:
	print("太笨了")

name=input("请输入名字:")
age=input('请输入年龄:')
if name == "小呆":
	if age == "18":
		print(name,age)
	else:
		print(333)
else:
	print('错了')

# 判断值是否在0~5或者10~15之间
if (num >= 0 and num <= 5) or (num >= 10 and num <= 15):    
    print 'hello'
else:
    print 'undefine'

# -*- coding: UTF-8 -*- 
#!/usr/bin/python

# 输出 Python 的每个字母
for letter in 'Python':
   if letter == 'h':
      pass
      print '这是 pass 块'
   print '当前字母 :', letter

print "Good bye!"

count = 1
sum = 0
while True :
	count= count + 1
	sum = sum + count
	if count > 100 :
		break
print(sum)

j=1
while j<100:
	j+=1
	if j>5 and j<95:
		continue
	print("loop",j)
print("---out of while loop---")

we=0
while we<5:
	we+=1
	if we==3:
		continue 			#若是break,则不会执行else
	print("Loop",we)
else:
	print("循环正常执行完啦")
print("---out of while loop---")
-----------
('Loop', 1)
('Loop', 2)
('Loop', 4)
('Loop', 5)
循环正常执行完啦

for iterating_var in sequence: 
   statements(s)

#!/usr/bin/python
# -*- coding: UTF-8 -*-

for i in range(1,11):
    for k in range(1,i):
        print k,
    print "n"

#!/usr/bin/python
# -*- coding: UTF-8 -*-

fruits = ['banana', 'apple',  'mango']
for index in range(len(fruits)):
   print '当前水果 :', fruits[index]

print "Good bye!"

#!/usr/bin/python
# -*- coding: UTF-8 -*-

for num in range(10,20):  # 迭代 10 到 20 之间的数字
   for i in range(2,num): # 根据因子迭代
      if num%i == 0:      # 确定第一个因子
         j=num/i          # 计算第二个因子
         print '%d 等于 %d * %d' % (num,i,j)
         break            # 跳出当前循环
   else:                  # 循环的 else 部分
      print num, '是一个质数'

for iterating_var in sequence:
   for iterating_var in sequence:
      statements(s)
   statements(s)

while expression:
   while expression:
      statement(s)
   statement(s)

def functionname( parameters ):
   "函数_文档字符串"
   function_suite
   return [expression]

def printme( str ):
   "打印传入的字符串到标准显示设备上"
   print str

#coding=utf-8
#!/usr/bin/python
 
# Function definition is here
def printme( str ):
   "打印任何传入的字符串"
   print str;
   return;
 
# Now you can call printme function
printme("我要调用用户自定义函数!");
printme("再次调用同一函数");

a=[1,2,3]
a="w3cschool"

#!/usr/bin/python
# -*- coding: UTF-8 -*-
def ChangeInt( a ):
    a = 10
b = 2
ChangeInt(b)
print b # 结果是 2

#coding=utf-8
#!/usr/bin/python
 
# 可写函数说明
def changeme( mylist ):
   "修改传入的列表"
   mylist.append([1,2,3,4]);
   print "函数内取值: ", mylist
   return
 
# 调用changeme函数
mylist = [10,20,30];
changeme( mylist );
print "函数外取值: ", mylist

#coding=utf-8
#!/usr/bin/python
 
#可写函数说明
def printme( str ):
   "打印任何传入的字符串"
   print str;
   return;
 
#调用printme函数
printme();

#!/usr/bin/python
# -*- coding: UTF-8 -*-
 
#可写函数说明
def printme( str ):
   "打印任何传入的字符串"
   print str;
   return;
 
#调用printme函数
printme( str = "My string");

#!/usr/bin/python
# -*- coding: UTF-8 -*-
 
#可写函数说明
def printinfo( name, age ):
   "打印任何传入的字符串"
   print "Name: ", name;
   print "Age ", age;
   return;
 
#调用printinfo函数
printinfo( age=50, name="miki" );

#coding=utf-8
#!/usr/bin/python
 
#可写函数说明
def printme( str ):
   "打印任何传入的字符串"
   print str;
   return;
 
#调用printme函数
printme( str = "My string");

#coding=utf-8
#!/usr/bin/python
 
#可写函数说明
def printinfo( name, age ):
   "打印任何传入的字符串"
   print "Name: ", name;
   print "Age ", age;
   return;
 
#调用printinfo函数
printinfo( age=50, name="miki" );

#coding=utf-8
#!/usr/bin/python
 
#可写函数说明
def printinfo( name, age = 35 ):
   "打印任何传入的字符串"
   print "Name: ", name;
   print "Age ", age;
   return;
 
#调用printinfo函数
printinfo( age=50, name="miki" );
printinfo( name="miki" );

def functionname([formal_args,] *var_args_tuple ):
   "函数_文档字符串"
   function_suite
   return [expression]

#coding=utf-8
#!/usr/bin/python
 
# 可写函数说明
def printinfo( arg1, *vartuple ):
   "打印任何传入的参数"
   print "输出: "
   print arg1
   for var in vartuple:
      print var
   return;
 f = ( 70, 60, 50 ) 
# 调用printinfo 函数
printinfo( 10 );
printinfo(f);

lambda [arg1 [,arg2,.....argn]]:expression

#coding=utf-8
#!/usr/bin/python
 
#可写函数说明
sum = lambda arg1, arg2: arg1 + arg2;
 
#调用sum函数
print "Value of total : ", sum( 10, 20 )
print "Value of total : ", sum( 20, 20 )

#coding=utf-8
#!/usr/bin/python
 
# 可写函数说明
def sum( arg1, arg2 ):
   # 返回2个参数的和."
   total = arg1 + arg2
   print "Inside the function : ", total
   return total;
 
# 调用sum函数
total = sum( 10, 20 );
print "Outside the function : ", total

#coding=utf-8
#!/usr/bin/python
 
total = 0; # This is global variable.
# 可写函数说明
def sum( arg1, arg2 ):
   #返回2个参数的和."
   total = arg1 + arg2; # total在这里是局部变量.
   print "Inside the function local total : ", total
   return total;
 
#调用sum函数
sum( 10, 20 );
print "Outside the function global total : ", total

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import time;  # 引入time模块
ticks = time.time()
print "当前时间戳为:", ticks		# 1459994552.51

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import time

localtime = time.localtime(time.time())
print "本地时间为 :", localtime

#!/usr/bin/python
# -*- coding: UTF-8 -*-
import time
localtime = time.asctime( time.localtime(time.time()) )
print "本地时间为 :", localtime

time.strftime(format[, t])
#!/usr/bin/python
# -*- coding: UTF-8 -*-

import time

# 格式化成2016-03-20 11:45:39形式
print time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 

# 格式化成Sat Mar 28 22:24:24 2016形式
print time.strftime("%a %b %d %H:%M:%S %Y", time.localtime()) 
  
# 将格式字符串转换为时间戳
a = "Sat Mar 28 22:24:24 2016"
print time.mktime(time.strptime(a,"%a %b %d %H:%M:%S %Y"))

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import calendar

cal = calendar.month(2016, 1)
print "以下输出2016年1月份的日历:"
print cal;

以下输出2016年1月份的日历:
    January 2016
Mo Tu We Th Fr Sa Su
             1  2  3
 4  5  6  7  8  9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31

import module1[, module2[,... moduleN]

#support.py
def print_func( par ):
   print "Hello : ", par
   return

#coding=utf-8
#!/usr/bin/python
 
# 导入模块
import support
# 现在可以调用模块里包含的函数了
support.print_func("Zara")

from modname import name1[, name2[, ... nameN]]

from fib import fibonacci

from modname import *

#coding=utf-8
#!/usr/bin/python
 
Money = 2000
def AddMoney():
   # 想改正代码就取消以下注释:
   global Money
   Money = Money + 1
 
print Money		#2000
AddMoney()
print Money		#2001

#coding=utf-8
#!/usr/bin/python
def Pots():
   print "I'm Pots Phone"

from Pots import Pots
from Isdn import Isdn
from G3 import G3

#coding=utf-8
#!/usr/bin/python
 
# Now import your Phone Package.
import Phone
 
Phone.Pots()
Phone.Isdn()
Phone.G3()

#coding=utf-8
#!/usr/bin/python
 
# 导入内置math模块
import math
content = dir(math)
print content;

reload(module_name)

reload(hello)

file object = open(file_name [, access_mode][, buffering])

#!/usr/bin/python
# -*- coding: UTF-8 -*-
 
# 打开一个文件
fo = open("foo.txt", "wb")
print "文件名: ", fo.name
print "是否已关闭 : ", fo.closed
print "访问模式 : ", fo.mode
print "末尾是否强制加空格 : ", fo.softspace

fileObject.close();

#coding=utf-8
#!/usr/bin/python
 
# 打开一个文件
fo = open("foo.txt", "wb")
print "文件名: ", fo.name
 
# 关闭打开的文件
fo.close()

#coding=utf-8
#!/usr/bin/python
 
# 打开一个文件
fo = open("/tmp/foo.txt", "wb")
fo.write( "Python is a great language.nYeah its great!!n");
 
# 关闭打开的文件
fo.close()#!/usr/bin/python

#coding=utf-8
#!/usr/bin/python
 
# 打开一个文件
fo = open("/tmp/foo.txt", "r+")
str = fo.read(10);
print "读取的字符串是: ", str
 
# 查找当前位置
position = fo.tell();
print "当前文件位置: ", position
 
# 把指针再次重新定位到文件开头
position = fo.seek(0, 0);
str = fo.read(10);
print "重新读取字符串: ", str
# 关闭打开的文件
fo.close()

#coding=utf-8
#!/usr/bin/python
import os
 
# 创建目录test
os.mkdir("test")

#coding=utf-8
#!/usr/bin/python
import os
 
# 将当前目录改为"/home/newdir"
os.chdir("/home/newdir")

#coding=utf-8
#!/usr/bin/python
import os
 
# 给出当前的目录
os.getcwd()

#coding=utf-8
#!/usr/bin/python
import os
 
# 删除”/tmp/test”目录
os.rmdir( "/tmp/test"  )