# 随机数 生成验证码
import random# print random.random()# print random.randint(1, 5)# print random.randrange(1, 5)# temp = random.randint(65, 90)# print chr(temp)myList = []for i in range(6): i = random.randint(1, 3) # print i if i == 1: temp = str(random.randint(1, 9)) myList.append(temp) elif i == 2: temp = random.randint(97, 122) myList.append(chr(temp)) else: temp = random.randint(65, 90) myList.append(chr(temp))print ''.join(myList)# md5加密import hashlibmyHash = hashlib.md5()myHash.update('admin')print myHash.hexdigest()#yield 用法
def AlexReadlines():
seek = 0 while True: with open('C:\Users\dendei\Desktop\share\lock.txt','r') as f: f.seek(seek) data = f.readline() if data: seek = f.tell() yield data else: return#re = AlexReadlines()for item in AlexReadlines(): print item