def run():
lines = read_file('input.txt')
one = filter(is_nice_string, lines)
print('part 1', p.ilen(one))
two = filter(is_new_nice, lines)
print('part 2', p.ilen(two))
def run(string, num):
"""
>>> run('1', 5)
6
"""
res = p.nth(num, p.iterate(look_and_say, string))
return p.ilen(res)
def rle(string):
"""
>>> rle('aaabcc')
[(3, 'a'), (1, 'b'), (2, 'c')]
"""
return [(p.ilen(g), k) for k, g in it.groupby(string)]
