Python challenge - level 10
182 ワード
from itertools import groupby
a='1'
for i in range(30):
a = ''.join(str(len(list(v))) + k for k,v in groupby(a))
print len(a)
from itertools import groupby
a='1'
for i in range(30):
a = ''.join(str(len(list(v))) + k for k,v in groupby(a))
print len(a)