21 lines
331 B
Python
21 lines
331 B
Python
>>> from itertools import groupby, islice
|
|
>>>
|
|
>>> def lookandsay(number='1'):
|
|
while True:
|
|
yield number
|
|
number = ''.join( str(len(list(g))) + k
|
|
for k,g in groupby(number) )
|
|
|
|
|
|
>>> print('\n'.join(islice(lookandsay(), 10)))
|
|
1
|
|
11
|
|
21
|
|
1211
|
|
111221
|
|
312211
|
|
13112221
|
|
1113213211
|
|
31131211131221
|
|
13211311123113112211
|