conventionally_strong_password.py

import string as s
from random import choice as c
from random import randint as r

length = int(input('Enter length of required password\n'))

lowercase = [i for i in s.ascii_lowercase]
uppercase = [i for i in s.ascii_uppercase]
symbols = [i for i in s.punctuation]
digits = [i for i in s.digits]

data = [lowercase,uppercase,symbols,digits]

def get_conven_pass():
    part1,part2 = '',''

    for i in range(length - 4):
        a = r(0,3)
        b = c(data[a])
        part1 += b

    for i in range(0,4):            # part two of string to ensure
        b = c(data[i])              # each category has at least
        part2 += b                  # one element in the password

    temp = list(part1)

    while (part2 != ''):
        t = part2[0]                # each character of part2 being
        part2 = part2[1:]           # added into random positions
        temp.insert(r(0,len(temp)), t)  # of part1

    final = ''

    for i in temp:
        final += str(i)

    return(final)


print('Here are your passwords. choose from the following.\n'.title())

for i in range(0,4):
    print(get_conven_pass())