from tkinter import *
import os

def Callclass():
    click = ClickReg()
    click.ClickRegister()

def Write():
    open_file = open('records.txt', 'a')
    open_file.write(f'Username: {tx1_reg.get()}nPassword: {txt2_reg.get()}')
    open_file.close()

global RegisterSystem
def RegisterSystem():
    os.mkdir('records')
    os.chdir('records')

    Write()

def ClickLogin():
    pass

global ClickReg
class ClickReg:
    def ClickRegister(self):
        window_reg = Tk()

        lb1 = Label(window_reg, text='Username:')
        lb1.place(x=85,y=20)

        lb2 = Label(window_reg, text='Password:')
        lb2.place(x=85,y=80)

        global txt1_reg
        txt1_reg = Entry(window_reg, width=20)
        txt1_reg.place(x=40,y=40)

        global txt2_reg
        txt2_reg = Entry(window_reg, width=20, show="*")
        txt2_reg.place(x=40,y=100)

        btn1_reg = Button(window_reg, width=10, text='Register', command=RegisterSystem)
        btn1_reg.place(x=70,y=150)

        window_reg.title('Register')
        window_reg.geometry('250x250')
        window_reg.resizable(False, False)
        window.mainloop()

window = Tk()

lb1 = Label(window, text='Username:')
lb1.place(x=85,y=20)

lb2 = Label(window, text='Password:')
lb2.place(x=85,y=80)

txt1 = Entry(window, width=20)
txt1.place(x=40,y=40)

txt2 = Entry(window, width=20, show="*")
txt2.place(x=40,y=100)

btn1 = Button(window, width=10, text='Log In')
btn1.place(x=70,y=150)

btn2 = Button(window, width=10, text='Register', command=Callclass)
btn2.place(x=130,y=210)

window.title('Log In')
window.geometry('250x250')
window.resizable(False, False)
window.mainloop()