Python randomly generated 8-digit password example details

import random
import string


total = string.ascii_letters +  + 


length = 8


password = "".join((total, length))

print(password)

import random
import math


alpha = "abcdefghijklmnopqrstuvwxyz"
num = "0123456789"
special = "@#$%&*"


# Enter password length
pass_len = int(input("Enter password length"))


# Set the length of the password composition format, the proportion of alphanumeric and special symbols, the following example 50-30-20 ratio allocation
alpha_len = pass_len//2
num_len = (pass_len*30/100)
special_len = pass_len-(alpha_len+num_len)


password = []


def generate_pass(length, array, is_alpha=False):
       for i in range(length):
        index = (0, len(array) - 1)
        character = array[index]
        if is_alpha:
            case = (0, 1)
            if case == 1:
                character = ()
        (character)


# Characters
generate_pass(alpha_len, alpha, True)
# Number
generate_pass(num_len, num)
# Special symbols
generate_pass(special_len, special)
# Reverse the order
(password)
# To list to string
gen_password = ""
for i in password:
    gen_password = gen_password + str(i)
print(gen_password)

#coding:utf-8
import random,string
def GetPassword(length):
  # of randomly generated numbers
  Ofnum=(1,length)
  Ofletter=length-Ofnum
  # Selected ofnum numbers
  slcNum=[() for i in range(Ofnum)]
  # Check the letter ofletter
  slcLetter=[(string.ascii_letters) for i in range(Ofletter)]
  # Disrupt the mix
  slcChar=slcLetter+slcNum
  (slcChar)
  # Generate random passwords
  getPwd=''.join([i for i in slcChar])
  return getPwd
if __name__=='__main__':
  print( GetPassword(6)) #GetPassword()Customize random password length

#!/usr/bin/env python
import string
from itertools import chain
from random import choice, sample
def mkpasswd(length=12, digits=4, upper=3, lower=3):
lowercase = 
uppercase = 
salt = '!@#$%^&*()><?'
password = list(
chain(
(choice(uppercase) for _ in range(upper)),
(choice(lowercase) for _ in range(lower)),
(choice() for _ in range(digits)),
(choice(salt) for _ in range((length - digits - upper - lower)))
)
)
return "".join(sample(password, len(password)))
if __name__ == '__main__':
print mkpasswd()
#!/usr/bin/env python
import string
from itertools import chain
from random import choice, sample
def mkpasswd(length=12, digits=4, upper=3, lower=3):
lowercase = 
uppercase = 
salt = '!@#$%^&*()><?'
password = list(
chain(
(choice(uppercase) for _ in range(upper)),
(choice(lowercase) for _ in range(lower)),
(choice() for _ in range(digits)),
(choice(salt) for _ in range((length - digits - upper - lower)))
)
)
return "".join(sample(password, len(password)))
if __name__ == '__main__':
print mkpasswd()