def test_naughty():
# jchzalrnumimnmhp is naughty because it has no double letter.
# haegwjzuvuyypxyu is naughty because it contains the string xy.
# dvszwmarrgswjxmb is naughty because it contains only one vowel.
assert False == is_nice("jchzalrnumimnmhp")
assert False == is_nice("haegwjzuvuyypxyu")
assert False == is_nice("dvszwmarrgswjxmb")
def test_nice():
# ugknbfddgicrmopn is nice because it has at least three vowels (u...i...o...), a double letter (...dd...), and none of the disallowed substrings.
# aaa is nice because it has at least three vowels and a double letter, even though the letters used by different rules overlap.
assert True == is_nice("ugknbfddgicrmopn")
assert True == is_nice("aaa")
from nicestring import is_nice
nice_strings = 0
with open("input.txt", "rb") as handle:
for string in handle:
nice_strings += 1 if is_nice(string) else 0
print "Found %d Nice Strings" % nice_strings
