This code generates a random password with selecting randomly from all charachters and then tries to break this password

random password generator and breaker

import random


def get_char():
    return random.choice(characters)


def print_password(password):
    print("auto-generated password is:")
    print(password)


def set_password(strength):
    password = ""
    if strength == "1":
        for i in range(6):
            password += get_char()
        return password
    elif strength == "2":
        for i in range(10):
            password += get_char()
        return password
    elif strength == "3":
        for i in range(14):
            password += get_char()
        return password
    elif strength == "4":
        for i in range(20):
            password += get_char()
        return password


characters = ["A", "B", "C", "D", "E", "F", "G", "H", "I", 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '!', '@', '#', '$', '%', '&', '*', '(', ')']

strength = input("Enter strength: 1 for weak - 2 for medium - 3 for strong - 4 for extra strong:  ")

password = set_password(strength)

print_password(password)

print("now i will try to break your password")

n = len(characters)
m = len(password)
found = ""
j=0
i=0
while i < n:
    deneme = characters[i]
    while j < m:
        if deneme == password[j]:
            found += deneme
            j += 1
            i = 0
            print(found)
            break
        else:
            i += 1
            break
    if found == password:
        break