Strong password generator python

# Source code :-

import random

loweralphabets = ['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']

upperalphabets = ['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']

numbers = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']

specialchar = ['!', '"', '#', '$', '%', '&', "'", '(', ')', '*', '+', ',', '-', '.', '/',

               ':', ';', '<', '=', '>', '?', '@', '[', '\\', ']', '^', '_', '`', '{', '|', '}', '~']

passlist = []

# Credits :- Mandeep Yadav

passlist.extend(loweralphabets)

passlist.extend(upperalphabets)

passlist.extend(numbers)

passlist.extend(specialchar)

random.shuffle(passlist)

try:

    passlen = int(input(" : Enter the lenght of password :- "))

    # join --> It joins the character of list .

    print(" : Your Generated pasword is :-", "".join(passlist[0:passlen]))

    print("\n")

except Exception as e:

    print(" : Please enter number not string !")

print("Thanks For using :)")