#How do I convert this :

	cache = {}
	cache['http://dude.com'] = false
	cache['http://dude1.com'] = true
	cache['http://dude2.com'] = true
	cache['http://dude3.com'] = false

#i want to gather all the hashes with false value
#so new hash should =

	cache['http://dude.com'] = false
	cache['http://dude3.com'] = false