Chris Angelico writes:
>
> Here's another version, but with a deliberate bug in it. [- -]
This one recycles fish in a way that looks a bit worrying but it seems
to work. If there's a bug, it's not deliberate. Except stopping at 15 is
deliberate.
from contextlib import contextmanager as fish
from collections import defaultdict as fowl
@fish
def fish(fish):
chip = fowl(str)
chip.update(((fowl(int)[fish],fish),))
yield chip
with fish("Fish") as f, fish("Bush") as b:
print(*("{}{}".format(f[k%3],b[k%5]) or k for k in range(1,16)))
# prints:
1 2 Fish 4 Bush Fish 7 8 Fish Bush 11 Fish 13 14 FishBush
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