Password Generator 2000

passgen.py

import random

def passgen():
	lower = 'abcdefghijklmnopqrstuvwxyz'
	upper = lower.upper()
	number = '1234567890'
	special = '~!@#$%^&*()_-+=}{|[]\?/:;\'<>,.'
	password = ''
	strength = ''
	
	print('- Password Generator 2000 -')
	print('Please enter the desired amounts for each character.')
	ll = int(input('(Lower-case letters?)'))
	ul = int(input('(Upper-case letters?)'))
	num = int(input('(Numbers?)'))
	sc = int(input('(Special characters?)'))
	
	for i in range(0,ll):
		password += random.choice(lower)
		
	for i in range(0,ul):
		password += random.choice(upper)
		
	for i in range(0,num):
		password += random.choice(number)
		
	for i in range(0,sc):
		password += random.choice(special)
		
	if ul >= 2 and num >= 2 and sc >= 2:
		strength = 'Strong'
	elif ul >= 2 and num >= 2 and sc < 2:
		strength = 'Medium'
	elif ul < 2 and num >= 2 and sc >= 2:
		strength = 'Medium'
	elif ul >= 2 and num < 2 and sc >= 2:
		strength = 'Medium'
	elif ul >= 2 and num < 2 and sc < 2:
		strength = 'Medium/Weak'
	elif ul < 2 and num >= 2 and sc < 2:
		strength = 'Medium/Weak'
	elif ul < 2 and num < 2 and sc >= 2:
		strength = 'Medium/Weak'
	elif ul < 2 and num < 2 and sc < 2:
		strength = 'Medium/Weak'
	else:
		strength = 'Weak'
	
	print('Your password is:')
	print('-->  ' + password + '  <--' + '  | ' + strength)
	if strength == 'Medium/Weak' or strength == 'Weak':
		print('********************************************************')
		print('You can improve your password by adding at least 2 upper-case letters/numbers/special characters These, combined with a few lower case letters, would be virtually impossible to brute-force. You could also try making the password longer.')
		print('********************************************************')
	else:
		print('------------------------------------------')
	newpass = str(input('Would you like to generate a different password (Y) or (N)?')).upper()
	if newpass == 'Y':
		passgen()
	
passgen()