利用random生成随机数，转换成该ascii码对应的字符输出在屏幕上，通过读取用户输入进行比对，地出正确率
[root@foundation27 ~]# vim typewriting.py#!/bin/bash/python#coding=utf-8from __future__ import divisionimport randomprint "**********欢迎来到 Mr.Fang 开发的打字练习软件，祝您玩的愉快！**********\n"while True:flag=raw_input("继续(C)？ 任意其他字符退出 : ")flag=flag.lower()if flag=="c":indicator=random.randint(3,30)example_list=[]example_str=""for i in xrange(indicator):num=random.randint(65,122)# while num >= 91 and num <= 96:#num=random.randint(65,122)example_list.append(chr(num))example_str="".join(example_list)print "请快速输入以下",indicator,"个字母：",example_struser_input=raw_input("请输入：")if len(user_input)==0:print "输入为空，得了个鸡蛋OOOO"else:Correct_Num=0myrange=min(len(example_str),len(user_input))for j in xrange(myrange):if user_input[j]==example_str[j]:Correct_Num+=1if len(user_input)>indicator:print "输入超限，扣10分，本次得分：%.2f"%((Correct_Num/indicator)*100-10)elif Correct_Num==indicator:print "完全正确,非常棒！"else:print "本次得分：%.2f"%((Correct_Num/indicator)*100)else:break[root@foundation27 ~]# python typewriting.py
