python如何制作英文字典

keys=[]dic={}def rdic():  fr = open('dic.txt','r')    for line in fr:    line = line.replace("/n",'')    v = line.split(':')    dic[v[0]] = v[1]    keys.append(v[0])  fr.close()def centre():  n = input("请输入进入相应模块（添加、查询、退出）：")  if n == "添加":    key= input("plsease input English：")    if key not in keys:      value=input("please input Chinese:")      dic[key]=value      keys.append(key)    else :      t=input("如果添加新的意思请输入 Y,否则输入N:")      if ( t=='Y'):        temp=""        temp=temp+dic[key]        key1= input("请输入中文")        temp=temp+","+key1        print(temp)        #keys.append(temp)        dic[key]=temp        print(dic)        return 0      else:        return 0  elif n== "查询":    key= input("plsease input English：")    print(keys)    print(dic)    if key not in keys:      print("the english not in the dic.")    else :      print(dic[key])  elif n == "退出" :    return 1  else :    print("输入有误")    return 0def wdic():  #print("!")  with open('dic.txt','w') as fw:    for k in keys:      fw.write(k+':'+dic[k]+'/n')def main():  rdic()  while True:    print(keys)    print(dic)    n=centre()    print(keys)    print(dic)    if n==1:      break    if n==0:      continue  wdic()main()