Python Password Generator - The Logic Tutorial

Creating a Simple Project Using Python Library Functions

In this simple project, we explore Python library functions like string and random to manipulate character sets.

Available Constants in the string Module:

• string.ascii_letters: Concatenation of lowercase and uppercase letters.
• string.ascii_lowercase: Lowercase letters from 'a' to 'z'.
• string.ascii_uppercase: Uppercase letters from 'A' to 'Z'.
• string.digits: The string '0123456789'.
• string.hexdigits: Hexadecimal digits covering '0123456789abcdefABCDEF'.
• string.octdigits: Octal digits ranging from '0' to '7'.
• string.punctuation: ASCII characters considered as punctuation.

Python Code

	import random
	import math
	alpha = "abcdefghijklmnopqrstuvwxyz"
	num = "0123456789"
	special = "@#$%&*"
	# pass_len=random.randint(8,13) #without User INput
	pass_len = int(input("Enter Password Length"))
	# length of password by 50-30-20 formula
	alpha_len = pass_len//2
	num_len = math.ceil(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 = random.randint(0, len(array) - 1)
	character = array[index]
	if is_alpha:
	case = random.randint(0, 1)
	if case == 1:
	character = character.upper()
	password.append(character)
	# alpha password
	generate_pass(alpha_len, alpha, True)
	# numeric password
	generate_pass(num_len, num)
	# special Character password
	generate_pass(special_len, special)
	# suffle the generated password list
	random.shuffle(password)
	# convert List To string
	gen_password = ""
	for i in password:
	gen_password = gen_password + str(i)
	print(gen_password)

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