Python Project With Source Code : Password Generator

 Password Generator

import random

 

def generatePassword(pwlength):

 

    alphabet = "abcdefghijklmnopqrstuvwxyz"

 

    passwords = []

 

    for i in pwlength:

       

        password = ""

        for j in range(i):

            next_letter_index = random.randrange(len(alphabet))

            password = password + alphabet[next_letter_index]

       

        password = replaceWithNumber(password)

        password = replaceWithUppercaseLetter(password)

       

        passwords.append(password)

   

    return passwords

 

def replaceWithNumber(pword):

    for i in range(random.randrange(1,3)):

        replace_index = random.randrange(len(pword)//2)

        pword = pword[0:replace_index] + str(random.randrange(10)) + pword[replace_index+1:]

        return pword

 

 

def replaceWithUppercaseLetter(pword):

    for i in range(random.randrange(1,3)):

        replace_index = random.randrange(len(pword)//2,len(pword))

        pword = pword[0:replace_index] + pword[replace_index].upper() + pword[replace_index+1:]

        return pword

 

 

 

def main():

   

    numPasswords = int(input("How many passwords do you want to generate? "))

   

    print("Generating " +str(numPasswords)+" passwords")

   

    passwordLengths = []

 

    print("Minimum length of password should be 3")

 

    for i in range(numPasswords):

        length = int(input("Enter the length of Password #" + str(i+1) + " "))

        if length<3:

            length = 3

        passwordLengths.append(length)

   

    Password = generatePassword(passwordLengths)

 

    for i in range(numPasswords):

        print ("Password #"+str(i+1)+" = " + Password[i])

 

main()