Generate a random password based user selected length. (upper,lower letters, numbers and symbols)

randompassword.py

from random import randint

def main(passlen = 8):
	password = []
	for x in range(0,passlen):
		r = randint(1, 4)
		if r == 1:
			password.append(chr(randint(97,122)))
		elif r == 2:
			password.append(str(randint(0,9)))
		elif r == 3:
			password.append(chr(randint(33,47)))
		else:
			password.append(chr(randint(65,90)))

	return("".join(password))

print(main(16))