from tkinter import *
def reg():
myAccount = a_entry.get()
myPassword = p_entry.get()
a_len = len(myAccount)
p_len = len(myPassword)
if myAccount == "itcast" and myPassword =="python":
from tkinter import *
def reg():
myAccount = a_entry.get()
myPassword = p_entry.get()
a_len = len(myAccount)
p_len = len(myPassword)
if myAccount == "itcast" and myPassword =="python":