Login e senha com Tkinter...

import tkinter as tk

window = tk.Tk()

# Constantes do tipo string
LOGIN_DIGITADO = tk.StringVar()
SENHA_DIGITADA = tk.StringVar()

def submit():
    if LOGIN_DIGITADO.get() == 'Bruno':
        tk.Label(window,
            text = 'Login Digitado').place(x = 10, y = 190)

    if SENHA_DIGITADA.get() == 'Bruno':
        tk.Label(window,
            text = 'Senha Digitada').place(x = 10, y = 210)

submit()

# Customizar o input do Login
label_login = tk.Label(window, text = 'Login')
label_login.place(x = 10, y = 10)
login = tk.Entry(window, textvariable = LOGIN_DIGITADO)
login.place(x = 10, y = 40)

# Customizar o input da senha
label_senha = tk.Label(window, text = 'Senha')
label_senha.place(x = 10, y = 70)
senha = tk.Entry(window, textvariable = SENHA_DIGITADA)
senha.place(x = 10, y = 100)

# Customizar o botão de verificar
botao_verificar = tk.Button(window,
    text = 'verificar', command = lambda: submit())
botao_verificar.place(x = 10, y = 130)

# Customizar o botão de sair
botao_sair = tk.Button(window, text = 'sair',
    command = window.destroy)
botao_sair.place(x = 100, y = 130)

# Customizar a window
window.title('Área Administrativa')
window.geometry('300x300')
window.mainloop()