text: from prettytable import PrettyTable
  import loadUser
  import os
  
  USERFILE = os.path.abspath(os.path.dirname(__file__) + '/51reboot.txt')
  
  
  def listUser():
      try:
          result = loadUser.loadUser(USERFILE)
          xtb = PrettyTable()
          xtb.field_names = ["name", "age", "tel", "email"]
          for v in result.values():
              name = v["name"]
              age = v["age"]
              tel = v["tel"]
              email = v["email"]
              xtb.add_row([name, age, tel, email])
          print(xtb)
      except Exception as e:
          print(e)
  