python实现用户答题功能

python实战，用户答题分享给大家。

主要包含内容，文件的读取，更改，保存。不同文件夹引入模块。输入，输出操作。随机获取数据操作

随机生成算数表达式，用户输入答案，正确记录分数，错误返回0，并把用户分数记录到文本文件中，如用户名不存在着新建用户

myPythonFunction.py包含三个函数

#coding=utf-8
from random import randint
from os import remove,rename 

#function 输入用户名字，获得用户得分，返回得分或者-1
def getUserScore(userName):
 try:
  f = open("userScores.txt","r")
  msg = f.readline()
  score=-1;
  while len(msg):
   msg = msg.strip('\n')
   msgArr = msg.split(",")
   if(msgArr[0]==userName):
    score = msgArr[1]
    break
   msg = f.readline()
  f.close()
  return score
 except IOError:
  f=open("userScores.txt","w")
  f.close()
  return -1 

#function 更新或者保存用户名字，用户得分
def updateUserPoints(userName,score):
 temp = getUserScore(userName)
 if(temp==-1):
  f = open("userScores.txt","a")
  msg = userName+","+str(score)+"\n"
  f.write(msg)
  f.close()
 else:
  temp = open("userScores.tmp","w")
  f = open("userScores.txt","r")
  msg = f.readline()
  while len(msg):
   msg = msg.strip('\n')
   msgArr = msg.split(",")
   if(msgArr[0]==userName):
    msgArr[1] = str(score)
   temp.write(msgArr[0]+","+msgArr[1]+"\n")
   msg = f.readline()
  f.close()
  temp.close()
  remove("userScores.txt")
  rename("userScores.tmp","userScores.txt") 

#function 获取随机生成的数学表达式 ，返回字符串
def getQuestionString():
 operandList = []
 operatorList = []
 operatorDict=("+","-","*","**")
 questionString = ''
 for i in range(5):
  operandList.append(randint(1,9))
 for j in range(4):
  operatorList.append(operatorDict[randint(0,3)])
 for k in range(4):
  questionString += str(operandList[k])+operatorList[k]
 questionString +=str(operandList[4])
 return questionString

mathGame.py作为主函数

# -*- coding:utf-8 -*-
import sys
if 'H:\\python\func' not in sys.path:
 sys.path.append('H:\\python\\func')
import myPythonFunction as myfunc 

print("请输入你的名字：")
use = input()
use=use.strip("\n")
count = 0
if(myfunc.getUserScore(use)==-1):
 print("你是个新用户！")
 myfunc.updateUserPoints(use,0)
else:
 count = int(myfunc.getUserScore(use))
 print("你当前分数为：",count) 

while(1):
 questionString=myfunc.getQuestionString()
 result = eval(questionString)
 print("问题：",questionString.replace("**","^"))
 print("请输入你的答案：")
 userResult = input()
 userResult = userResult.strip("\n")
 flag = True
 if(userResult.startswith("-")):
  userResult = userResult[1:]
  flag = False
 while((not userResult.isdigit()) and userResult!="exit"):
  print("请输入数字，你的答案：")
  userResult = input()
  userResult = userResult.strip("\n")
  if(userResult.startswith("-")):
   userResult = userResult[1:]
   flag = False
 if(not flag):
   userResult = "-"+userResult
 if(userResult==str(result)):
  print(1)
  count = count+1
 elif("exit"==userResult):
  break
 else:
  print(0)
myfunc.updateUserPoints(use,count)
print("你当前分数为：",count)
print("谢谢进入，欢迎下次再来！") 

文件目录结构，将myPythonFunction.py放到func文件夹中。userScores.txt存放用户名和相应的得分

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