import re
student=[]
 
def appendStudentInfo():
 studentinfo={"Name":"","ID":"","語文":"","數(shù)學(xué)":"","英語":"","總分":""}
 studentinfo["Name"]=input("請(qǐng)輸入學(xué)生姓名：")
 idflag=True
 while idflag:
  studentinfo["ID"] = input("請(qǐng)輸入學(xué)生學(xué)號(hào)：")
  pattern=re.compile("^\d{3}$")
  if not re.match(pattern,studentinfo["ID"]) :
   print("輸入錯(cuò)誤，請(qǐng)重新輸入")
   idflag = True
  if querystudent(studentinfo["ID"])==True:
   print("該學(xué)號(hào)已經(jīng)存在請(qǐng)重新輸入")
   idflag = True
  if querystudent(studentinfo["ID"])==False and re.match(pattern,studentinfo["ID"]):
   idflag = False
 
 studentinfo["語文"]=input("請(qǐng)輸入語文成績：")
 while not studentinfo["語文"].isdigit() or int(studentinfo["語文"])>100 or int(studentinfo["語文"])<0:
  studentinfo["語文"] = input("輸入錯(cuò)誤，請(qǐng)重新輸入：")
 
 studentinfo["數(shù)學(xué)"]=input("請(qǐng)輸入數(shù)學(xué)成績：")
 while not studentinfo["數(shù)學(xué)"].isdigit() or int(studentinfo["數(shù)學(xué)"]) > 100 or int(studentinfo["數(shù)學(xué)"]) < 0:
  studentinfo["數(shù)學(xué)"] = input("輸入錯(cuò)誤，請(qǐng)重新輸入：")
 
 studentinfo["英語"]=input("請(qǐng)輸入英語成績：")
 while not studentinfo["英語"].isdigit() or int(studentinfo["英語"]) > 100 or int(studentinfo["英語"]) < 0:
  studentinfo["英語"] = input("輸入錯(cuò)誤，請(qǐng)重新輸入：")
 
 studentinfo["總分"]=int(studentinfo["語文"])+int(studentinfo["英語"])+int(studentinfo["數(shù)學(xué)"])
 student.append(studentinfo)
 
def delstudent():
 delstudentid = input("請(qǐng)輸入要?jiǎng)h除的學(xué)生學(xué)號(hào)：")
 flag =False
 for item in student:
  if item["ID"]==delstudentid:
   flag = True
   print("要?jiǎng)h除學(xué)生的相關(guān)信息如下：")
   print(item)
   select=input("是否刪除：是(Y)/否（N）")
   if select=="Y" or select=="y":
    student.remove(item)
    print("刪除成功")
   elif select =="N" or select=="n":
    print("取消刪除")
   else:
    print("輸入錯(cuò)誤")
 if flag ==False:
  print("未搜索到該學(xué)生")
 
def querystudent(querystudentid):
 flag=False
 for item in student:
  if item["ID"]==querystudentid:
   flag=True
 return flag
 
def modifystudentifo():
 delstudentid = input("請(qǐng)輸入要修改的學(xué)生學(xué)號(hào)：")
 
 flag=False
 for item in student:
  if item["ID"]==delstudentid:
   print("查詢內(nèi)容如下：")
   print(item)
   flag=True
   while True:
    modifymenu = input("請(qǐng)輸入修改選項(xiàng)：1、姓名，2、語文成績，3、數(shù)學(xué)成績，4、英語成績，5、退出")
    while not modifymenu.isdigit():
     modifymenu = input("輸入錯(cuò)誤，請(qǐng)重新輸入：")
    if int(modifymenu)==1:
     item["Name"] = input("請(qǐng)重新輸入學(xué)生姓名：")
    elif int(modifymenu)==2:
     item["語文"] = input("請(qǐng)重新輸入學(xué)生語文成績：")
    elif int(modifymenu)==3:
     item["數(shù)學(xué)"] = input("請(qǐng)重新輸入學(xué)生數(shù)學(xué)成績：")
    elif int(modifymenu)==4:
     item["英語"] = input("請(qǐng)重新輸入學(xué)生英語成績：")
    elif int(modifymenu) == 5:
     break
    else:
     print("輸入序號(hào)無效")
   item["總分"] = int(item["語文"]) + int(item["英語"]) + int(item["數(shù)學(xué)"])
   print("修改結(jié)果如下：")
   print(item)
 
 if flag ==False:
  print("未搜索到該學(xué)生")
 
def allinfo():
 for item in student:
  print(item)
 
def iteminfo(querystudentid):
 for item in student:
  if item["ID"]==querystudentid:
   print("查詢內(nèi)容如下：")
   print(item)
 
def studentMenu():
 print("="*30)
 print("學(xué)生管理系統(tǒng)")
 print("1、添加學(xué)生信息")
 print("2、刪除學(xué)生信息")
 print("3、查詢學(xué)生信息")
 print("4、修改學(xué)生信息")
 print("5、顯示所有學(xué)生信息")
 print("6、退出")
 print("="*30)
 
 
if __name__ == '__main__':
 
 while True:
  studentMenu()
  menuindex = input("請(qǐng)輸入選項(xiàng)序號(hào)：")
  while not menuindex.isdigit():
   menuindex = input("輸入錯(cuò)誤，請(qǐng)重新輸入：")
  if int(menuindex) ==1:
   appendStudentInfo()
  elif int(menuindex) ==2:
   delstudent()
  elif int(menuindex) ==3:
   querystudentid = input("請(qǐng)輸入要查詢的學(xué)生學(xué)號(hào)：")
   if querystudent(querystudentid) == True:
    iteminfo(querystudentid)
   else:print("未搜索到該學(xué)生")
  elif int(menuindex) ==4:
   modifystudentifo()
  elif int(menuindex)== 5:
   allinfo()
  elif int(menuindex) == 6:
   break
  else:
   print("輸入序號(hào)無效")