Генератор паролей

import random
 
def generate_password(m):
    slovar1 = 'abcdefghijkmnpqrstuvwxyz'
    slovar2 = 'ABCDEFGHJKLMNPQRSTUVWXYZ'
    slovar3 = '23456789'
    slovar = slovar1 + slovar2 + slovar3
 
    if m <= 0: return None
    if m == 1: return random.choice(slovar)
    if m == 2:
        if random.randint(0, 1) == 0:
            return random.choice(slovar1) + random.choice(slovar2)
        else:
            return random.choice(slovar2) + random.choice(slovar1)
 
    # pos1, pos2, pos3 - неповторяющиеся числа от 0 до m-1
    pos = list(range(0, m))
    pos1 = random.choice(pos)
    pos.remove(pos1)
    pos2 = random.choice(pos)
    pos.remove(pos2)
    pos3 = random.choice(pos)
 
    pwd = ''
    for pos in range(m):
        if pos == pos1:
            char = random.choice(slovar1)
        elif pos == pos2:
            char = random.choice(slovar2)
        elif pos == pos3:
            char = random.choice(slovar3)
        else:
            char = random.choice(slovar)
        pwd += char
 
    return pwd
 
def main(n, m):
    passwords = []
    success = 0
    while success != n:
        password = generate_password(m)
        if not (password in passwords):
            passwords.append(password)
            success += 1
 
    return passwords
 
N = int(input('Введите количество паролей N: '))
M = int(input('Введите длину паролей M: '))
 
print(*main(N, M), sep='\n')

import string
from random import choices
 
 
def generate_password(m):
    password_symbol = set(string.ascii_letters + string.digits)
    not_password_symbol = {'l', 'I', '1', 'o', 'O', '0'}
    password_symbol -= not_password_symbol
    return ''.join(choices(list(password_symbol), k=m))
 
 
def main(n, m):
    i = 0
    psw_list = []
    while i < n:
        psw = generate_password(m)
        if psw not in psw_list:
            psw_list.append(psw)
            i += 1    
    return psw_list