Randomize a sentence's casing in Python!

random-casing.py

#! /usr/bin/env python
""" Random String Casing ~~ by Willy Fox (BlackVikingPro) """

import sys, random

try:
	tmp = sys.argv[1]
	pass
except IndexError:
	if sys.argv[0].startswith('./'):
		print "Randomize text casing in Python! By: \033[31mWilly Fox\033[0m\n\nSyntax: %s <string/sentence>\n" % sys.argv[0]
	else:
		print "Randomize text casing in Python! By: \033[31mWilly Fox\033[0m\n\nSyntax: ./%s <string/sentence>\n" % sys.argv[0]
except KeyboardInterrupt:
	print " Exiting Cleanly..."
except Exception as e:
	print "Well, this is embarrassing... ", e

def ranCase(word):
	leng = len(word)
	nword = ""
	for case in range(0, leng):
		if random.randint(0, 1) == 1:
			letter = word[case].upper() + word[(leng + 1):]
		else:
			letter = word[case].lower() + word[(leng + 1):]
			pass
		nword = nword + letter
	pass
	return nword
	pass

argLeng = len(sys.argv)
word = ""
sentence = ""
for index in xrange(1,argLeng):
	word = ranCase(sys.argv[index])
	sentence = sentence + word + " "
	# print ranCase(sys.argv[index])
	pass
print sentence