интенсив

import random

import string

from tkinter import *

window = Tk()

window.geometry("800x600")

def generate():

   if not cnt_ent.get().isdigit():

       pas_ent.delete(0, END)

       pas_ent.insert(0, "Ошибка!")

       return

   alphabet = ""

   if bl.get():

       alphabet = alphabet + string.ascii_uppercase

   if sl.get():

       alphabet = alphabet + string.ascii_lowercase

   if d.get():

       alphabet = alphabet + string.digits

   if s.get():

       alphabet = alphabet + string.punctuation

   if len(alphabet) == 0:

       pas_ent.delete(0, END)

       pas_ent.insert(0, "Выберите что-то!")

       return

   pas_len = int(cnt_ent.get())

   password = ""

   for i in range(pas_len):

       password = password + random.choice(alphabet)

   pas_ent.delete(0, END)

   pas_ent.insert(0, password)

app_font = "Verdana 12 bold"

btn = Button(

   window, text="Гененрировать", command=generate,

   bg="red", fg="green",

   activebackground="blue", activeforeground="yellow",

   relief=FLAT,

   font=app_font,

)

btn.grid(row=5, column=0, padx=10, pady=10)

pas_ent = Entry(window)

pas_ent.grid(row=5, column=1, padx=10, pady=10)

cnt_label = Label(window, text="Количество символов")

cnt_label.grid(row=0, column=0, padx=10, pady=10)

cnt_ent = Entry(window)

cnt_ent.grid(row=0, column=1, padx=10, pady=10)

bl = BooleanVar()

bl_cbtn = Checkbutton(window, text="Большие буквы", variable=bl)

bl_cbtn.grid(row=1, column=0, sticky=W, padx=10)

sl = BooleanVar()

sl_cbtn = Checkbutton(window, text="Маленькие буквы", variable=sl)

sl_cbtn.grid(row=2, column=0, sticky=W, padx=10)

d = BooleanVar()

d_cbtn = Checkbutton(window, text="Цифры", variable=d)

d_cbtn.grid(row=3, column=0, sticky=W, padx=10)

s = BooleanVar()

s_cbtn = Checkbutton(window, text="Символы", variable=s)

s_cbtn.grid(row=4, column=0, sticky=W, padx=10)

window.mainloop()