Python学习代码记录

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

num1 = input("Pls input a number: ")
num2 = input("Pls input a number: ")

print "%s + %s = %s" % (num1, num2, num1+num2)
print "%s - %s = %s" % (num1, num2, num1-num2)
print "%s * %s = %s" % (num1, num2, num1*num2)
print "%s / %s = %s" % (num1, num2, num1/num2)

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import redis

#r = redis.Redis(host='127.0.0.1', port=6379,db=0)
#r.set('name', 'zhangsan')
#print (r.get('name'))

pool = redis.ConnectionPool(host='127.0.0.1', port=6379)
r = redis.Redis(connection_pool=pool)
r.set('name', 'lisi')   #添加
print (r.get('name'))   #获取

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

# 字典创建  while开关 字典添加   字典寻找
dictionary = {}
flag = 'a'
pape = 'a'
off = 'a'
while flag == 'a' or 'c' :
    flag = raw_input("添加或查找单词 ?(a/c)")
    if flag == "a" :                             # 开启
        word = raw_input("输入单词(key):")
        defintion = raw_input("输入定义值(value):")
        dictionary[str(word)] = str(defintion)  # 添加字典
        print "添加成功!"
        pape = raw_input("您是否要查找字典?(a/0)")   #read
        if pape == 'a':
            print dictionary
        else :
            continue
    elif flag == 'c':
        check_word = raw_input("要查找的单词:")  # 检索
        for key in sorted(dictionary.keys()):            # yes
            if str(check_word) == key:
                print "该单词存在! " ,key, dictionary[key]
                break
            else:                                       # no
                off = 'b'
        if off == 'b':
            print "抱歉，该值不存在！"
    else:                               # 停止
        print "error type"
        break

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

#num1 = input("Pls input a number: ")
#num2 = input("Pls input a number: ")

#print "%s + %s = %s" % (num1, num2, num1+num2)
#print "%s - %s = %s" % (num1, num2, num1-num2)
#print "%s * %s = %s" % (num1, num2, num1*num2)
#print "%s / %s = %s" % (num1, num2, num1/num2)

#var = 101 
 
#if ( var  == 100 ) : print "变量 var 的值为100" 
 
#print "Good bye!"

#x = int(raw_input("pls input a number: "))
#y = int(raw_input("pls input a number: "))
#z = int(raw_input("pls input a number: "))

#aa = [x,y,z]
#list(aa)

#aa.sort()
#print aa

#for i in xrange(10):
#    if i == 5:     
#	print "id:%s" %i
#	continue    ##当i==3的时候就会跳出此次循环，也就是下面的程序不会再次执行。
#    if i == 4:  ##当i ==5的时候就直接跳出整个循环。
#        break
#    print i
#else:
#    print "main end"

#import time         #插入一个time对象（一切皆对象，）
#import sys          #插入一个sys对象

#for i in xrange(10):
#    if i == 3:
#        continue
#    elif i == 5:
#        continue
#    elif i == 6:
#        sys.exit()      ## 当i==6的时候主动退出整个脚本。
#    print i
#else:
#    print "main end"

#import random
#import sys

#bb = random.randint(1,20)
#print bb
#for i in xrange(1,7):
#    aa = int(raw_input("pls input a number: "))
#    if aa == bb:
#        print "you're so smart!!"
#        sys.exit()
#    elif aa > bb:
#        print "pls input a small number."
#    else:
#        print "pls input a big number."
#else:
#    print "time is end!"


#for i in xrange(1,10):
#    for j in xrange(1,i+1):
#        print "%sx%s=%s" % (j, i, j*i),     ## ,的原因是不让程序自动换行
#    print

#count=0
#for i in '1234':
#    for j in '1234':
#        for m in '1234':
#            if (i != j) and (j != m) and (i != m):
#                print "%s %s %s" % (i, j, m)
#		count+=1
#print
#print count

#for i in xrange(100,1000):
#    unit = i % 10
#    ten = i // 10 % 10
#    hundred = i // 100
#    if unit ** 3 + ten ** 3 + hundred ** 3 == i:
#        print(i)

#for a in 'xyz':
#    for b in 'xyz':
#        for c in 'xyz':
#            if a != b and b != c and c != a:
#                if a != 'x' and c != 'x' and c != 'z':
#                    print "a vs %s b vs %s c vs %s" % (a, b, c)

#list1 = ['x','y','z']
#for a in list1:  # a 从 xyz中挑一个对手
#    for b in list1:  # b 挑一个对手
#        if a != b:  # a的对手和b的对手不相同
#            for c in list1:  # c挑一个对手
#                if a != c and b != c:  # a，b，c，对手互不相同
#                    if a != 'x' and c != 'x' and c != 'z':  # a的对手不是x，c的对手不是x，c的对手不是z
#                        print "a-{0} b-{1} c-{2}".format(a, b, c)  # 打印出结果

#aa = open('/root/study/python/vm.ini')
#for line in aa:
#    print line,

#aa = open('/root/study/python/vm.ini')
#while True:
#	line=aa.readline()
#	if not line:
#		break
#	print line,


#with open('/proc/meminfo') as aa:
#   for line in aa:
#       if line.startswith('MemTotal'):
#           MemTotal = line.split()[1]
#           continue
#       if line.startswith('MemFree'):
#           MemFree = line.split()[1]
#           break
#   print "The Memory Total: {:.2f}".format(int(MemTotal)/1024.0) + 'M'
#   print "The Memory left: {:.2f}".format(int(MemFree)/1024.0) + 'M'
#   print "The Memory left percent: {:.2f}".format((int(MemFree)/1024.0)/(int(MemTotal)/1024.0)*100) + '%'


#mac = '00:0c:29:9c:dc:41'       ##本地电脑的Mac地址
#mac_prefix = mac[:-3]           ##取出Mac地址的前缀
#last_two = mac[-2:]             ##取出MAC地址的后三位
#plus_one = int(last_two, 16) + 1        ##把16进制的mac转换成10进制并+1
#new_last_two = hex(plus_one)[-2:]       ##再次把10进制的mac地址转换成原来的16进制，如果不加[-2:]，则会出现 0x的前缀
#new_mac = mac_prefix + ':' + new_last_two   ##把刚刚整理好的前缀和新的后两位拼接起来。
#print new_mac


#import codecs

'''
/etc/passwd   查找用户，对用户优先级进行排序
'''
#3with codecs.open("passwd", "r") as f:
#    result = sorted(f.readlines(), key=lambda x: int(x.split(':')[2]))
#    print result
#with codecs.open("sortPasswd", "w") as f:
#    f.writelines(result)



#def Jianjia(x):  
#   y =0.5  
#   x = x * y  
#   return x  
#print(Jianjia(100))  
#print(Jianjia(50))