Password Generator In Python

 Video :- 

Code :-

import string

import random

from cryptography.fernet import Fernet

def gen_random_pw():

    global final_pw

    characters = list(string.ascii_letters + string.digits + "!@#$%^&*()")

    length = int(input("Enter Password Length :- "))

    random.shuffle(characters)

    password = []

    for i in range(length):

        password.append(random.choice(characters))

    random.shuffle(password)

    final_pw = ("".join(password))

def encrypt(key,message):

    alpha = string.ascii_letters

    result = ""

    for letter in message:

        if letter in alpha: # ABCabc

            letter_index = (alpha.find(letter) + key) % len(alpha)

            #print(letter_index)

            result = result + alpha[letter_index]

            #print(f"ALPHA :- {result}")

        else:

            result = result + letter

    return result

def decrypt(key,message):

    alpha = string.ascii_letters

    result = ""

    for letter in message:

        if letter in alpha: # ABCabc

            letter_index = (alpha.find(letter) - key) % len(alpha)

            #print(letter_index)

            result = result + alpha[letter_index]

            #print(f"ALPHA :- {result}")

        else:

            result = result + letter

    return result

def main():

    a = int(input("Do You Want to Save [1] or Fetch [2] a Password "))

    if (a==1):

        app_web = input("For Which Website/App Is this Password For :- ")

        gen_random_pw()

        print(final_pw)

        enc = encrypt(5,f"{app_web} --> {final_pw}")

        file = open("password.txt","a")

        file.write(f"{enc}\n")

        file.close()

    else:

        file = open("password.txt","r")

        content = file.read()

        dec = decrypt(5,content)

        print(dec)

        file.close()

main()

#Hope you liked it