Добавить графический интерфейс

import sqlite3
from random import randint
 
global enter
help = "Command List: /help - Show full list of commands, /new_user - Create new user, /login - Login to user, /casino - Play casino"
 
global db
global sql
 
db = sqlite3.connect('data.db')
sql = db.cursor()
 
sql.execute("""CREATE TABLE IF NOT EXISTS users (
    login TEXT,
    password TEXT,
    birthday_year BEGIN,
    birthday_month BEGIN,
    user_birthday_day BEGIN,
    gender TEXT,
    cash BEGIN
)""")
 
def login():
    user_login = input("Enter login: ")
    user_password = input("Enter password: ")
 
    sql.execute(f"SELECT login FROM users WHERE login = '{user_login}'")
    if sql.fetchone() is None:
        print("This user does not exist")
        main()
    elif sql.execute(f"SELECT login FROM users WHERE login = '{user_login}'") != sql.fetchone() is None:
        print('1')
 
def reg():
        user_login = input("Enter login: ")
        user_password = input("Enter password: ")
        user_birthday_year = int(input("Enter birthday year: "))
        user_birthday_month = int(input("Enter birthday month: "))
        user_birthday_day = int(input("Enter birthday day: "))
        user_gender = input("Enter gender (f-female or m-male): ")
        if user_birthday_year > 1897 and user_birthday_year < 2022:
            if user_birthday_month > 0 and user_birthday_month < 13:
                if user_birthday_day > 0 and user_birthday_day < 32:
                    if user_gender == 'f' or user_gender == 'm':
                        abc(user_login, user_password, user_birthday_year, user_birthday_month, user_birthday_day,
                            user_gender)
        else:
            print('Carefully check the correctness of the data you entered')
            reg()
 
db.commit()
def main():
    print(help)
    enter = input("Enter the command: ")
    if enter == '/help':
        print(help)
    elif enter == '/new_user':
        reg()
    elif enter == '/login':
        login()
 
def abc (user_login, user_password,user_birthday_year, user_birthday_month, user_birthday_day, user_gender):
    sql.execute(f"SELECT login FROM users WHERE login = '{user_login}'")
    if sql.fetchone() is None:
        sql.execute(f"INSERT INTO users VALUES (?, ?, ?, ?, ?, ?, ?)", (user_login, user_password, user_birthday_year, user_birthday_month, user_birthday_day, user_gender, 0))
        db.commit()
        print('You have successfully registered')
        main()
    else:
        print('Such a record already exists')
        main()
 
main()