学生选课系统,初版

import pickle
class kech:
   '''
   课程的的名字,价格,时间周期,代课老师
   '''
   def __init__(self,courses,price,cycle,teacher):
      self.Courses = courses
      self.Price = price
      self.Cycle = cycle
      self.Teacher = teacher
class Xs:
   '''
   学生的名字
   年龄,性别
   '''
   def __init__(self,name,grade):
      self.Name = name
      self.grade = grade
   def selected(self):
      with open("课程信息","rb")as f:
         while True:
            try:
               zhmm = pickle.load(f)
               yield zhmm
            except EOFError:
               return False
   def xuzekc(self):
      for i in self.selected():print(i.__dict__)
      a = input("请输入课程名字 : ").strip()
      for i in self.selected():
         if i.Courses == a:
            self.course = i.__dict__
            with open("学生信息", "ab")as f:
               pickle.dump(self, f)
      print("选择成功")
   def chakask(self):
      with open("学生信息","rb")as f:
         while True:
            try:
               zhmm = pickle.load(f)
               yield zhmm
            except EOFError:
               return False
class Gly:
   '''
      1、创建课程
      2、创建学生学生账号
      3、查看所有课程
      4、查看所有学生
      5、查看所有学生的选课情况
      6、退出程序
      '''
   def __init__(self,name):
      self.name = name
   def found(self):#1、创建课程
      courses = input("请输入创建的课程 : ")
      price = input("输入课程价格 : ")
      cycle = input("请输入课程周期 : ")
      teacher = input("请输入授课老师 : ")
      a = kech(courses, price, cycle, teacher)
      with open("课程信息","ab")as f:
         pickle.dump(a,f)
         print("%s课程创建成功"%(a.__dict__))
   def Create_account(self):
      Account1 = input("学生账号 : ")
      Code = input("学生密码 : ")
      name = input("学生姓名 : ")
      grade = input("学生班级 : ")
      with open("账号密码","ab")as f:
         s = {"ID":"学生","账号":Account1,"密码":Code,"姓名":name,"班级":grade}
         print(s,"33[0;33m注册成功33[0m")
         pickle.dump(s,f)
   def cksuoykc(self):
      with open("课程信息","rb")as f:
         while True:
            try:
               zhmm = pickle.load(f)
               yield zhmm
            except EOFError:
               return False
   def ckansuoyouxues(self):
      for i in dqwenjian():
         if i["ID"] == "学生":
            print(i["姓名"],i["班级"])
   def cksuoyouxsxk(self):
      with open("学生信息","rb")as f:
         while True:
            try:
               zhmm = pickle.load(f)
               yield zhmm
            except EOFError:
               return False
def glyzc():#注册管理员
   Account = input("33[0;31mInput virus  : 33[0m").strip()
   Password= input("33[0;31mSelect the virus  : 33[0m").strip()
   name = input("33[0;31mName entry  : 33[0m").strip()
   with open("账号密码","ab")as f:
      s = {"ID": "管理员", "账号": Account, "密码": Password,"姓名":name}
      pickle.dump(s,f)
def dqwenjian():#打开文件进行读取
   with open("账号密码","rb")as f:
      while True:
         try:
            zhmm = pickle.load(f)
            yield zhmm
         except EOFError:
            return False
def pad(zh,m_m):#判断输入账号密码是否存在
   for i in dqwenjian():
      if i["账号"] == zh and i["密码"] == m_m:
         if i["ID"] == "管理员":
            print("33[0;32m Welcome administrator login33[0m")
            return i
         else:
            print("Welcome to")
            return i
   else:
      print("33[0;31m Wrong account or password33[0m")
def guanly(xx): #管理员操作界面
   while True:
      print("33[0;35m1、创建课程
"
           "2、创建学生学生账号
"
           "3、查看所有课程
"
           "4、查看所有学生
"
           "5、查看所有学生的选课情况
"
           "6、退出程序33[0m")
      name = Gly(xx["姓名"])
      print("欢迎33[0;31m%s33[0m登录管理员界面!!!"%name.name)
      num = input("选择你要执行的序号>>>").strip()
      if num == "1":
         name.found()
      if num == "2":
         name.Create_account()
      if num == "3":
         for i in name.cksuoykc():print("33[0;36m",i.__dict__,"33[0m")
      if num == "4":
         name.ckansuoyouxues()
      if num == "5":
         for i in name.cksuoyouxsxk():print(i.__dict__)
      if num == "6":
         return
def xueshen(xx):#学生操作界面
   print("欢迎%s同学登录学生界面!!!" % xx["姓名"])
   while True:
      print("33[0;35m1、查看所有课程
"
           "2、选择课程
"
           "3、查看所选课程
"
           "4、退出程序33[0m")
      xsxx =Xs(xx["姓名"],xx["班级"])
      a =input("输入要执行的序号 : ")
      if a == "1":
         for i in xsxx.selected():print(i.__dict__)
      if a == "2":
         xsxx.xuzekc()
      if a == "3":
         for i in xsxx.chakask():
            if i.Name == xsxx.Name:
               print(i.__dict__)
      if a == "4": return
while True:
   zh = input("33[1;32;40m账号>>>33[0m").strip()
   m_m = input("33[1;32;40m密码>>>33[0m").strip()
   if zh =="Looking for virus" and m_m == "#@!@!#":
      glyzc()
   else:
      xx =pad(zh,m_m)
      if xx["ID"] == "管理员":
         guanly(xx)
         break
      elif xx["ID"] == "学生":
         xueshen(xx)
         break