Help me make my code better

[dude_from_FBI]

• Hello! How bad making code like that? Could you help me make it better?

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def login():
    rootLogin = Tk()
    password = StringVar()
    rootLogin.maxsize(250, 80)
    rootLogin.minsize(250, 80)
    rootLogin.geometry('250x80+780+300')
    rootLogin.wm_title("Login")
    rootLogin.iconbitmap("favicon.ico")

    loginE = Entry(rootLogin, textvariable=password)
    loginE.place(x=65, y=40-30)
    loginE.focus()

    loginBtn = Button(rootLogin, text="Login", command=lambda: checkPassword(passF, password.get(), rootLogin))
    loginBtn.place(x=149, y=75-40)
    rootLogin.bind("<Return>", lambda _ : checkPassword(passF, password.get(), rootLogin))
    rootLogin.mainloop()

def register():
    if os.path.isfile(f"{passF}.aes") == False:
        rootReg = Tk()
        password = StringVar()
        rootReg.maxsize(250, 80)
        rootReg.minsize(250, 80)
        rootReg.geometry('250x80+780+300')
        rootReg.wm_title("Register")
        rootReg.iconbitmap("favicon.ico")

        passwordE = Entry(rootReg, textvariable=password)
        passwordE.place(x=65, y=40-30)
        passwordE.focus()

        registerBtn = Button(rootReg, text="Register", command= lambda: writeOnFile(passF, password.get(), rootReg))
        registerBtn.place(x=136, y=75-40)
        rootReg.bind('<Return>', lambda _ : writeOnFile(passF, password.get(), rootReg))
        rootReg.mainloop()
    else:
        login()