#Генератор паролей, йепта

import random

lowcase = list("qwertyuiopasdfghjklzxcvbnm")
upcase = list("QWERTYUIOPASDFGHJKLZXCVBNM")
numbers = list("1234567890")
chars = []

passlength = 0
lowercase_true = ''
upcase_true = ''
numbers_true = ''
password = ''
while lowercase_true != 'Y' and lowercase_true != 'N':
    lowercase_true = input('Do you want lowcase symbols in your password? Type Y or N \n')
    print("You choose lowercase:", lowercase_true)

while upcase_true != 'Y' and upcase_true != 'N':
    upcase_true = input('Do you want upcase symbols in your password? Type Y or N \n')
    print("You choose upcase:", upcase_true)

while numbers_true != 'Y' and numbers_true != 'N':
    numbers_true = input('Do you want numbers in your password? Type Y or N \n')
    print("You choose numbers:", numbers_true)

while passlength == 0:
    try:
        passlength = int(input('Enter pass length'))
        print("Pass length", passlength)
        if passlength != 0:
            break
    except Exception:
        print("Invalid number \n")

if lowercase_true == 'Y':
    chars.extend(lowcase)
if upcase_true == 'Y':
    chars.extend(upcase)
if numbers_true == 'Y':
    chars.extend(numbers)

print("Using chars:", chars)

for _ in range(passlength):
    password += random.choice(chars)

print("Your password", password)