[segfaultbuserr]

Programming for cat.

    $ /bin/cat - | python -
    print("Hello, world!")
    ^D
    Hello, world!

[timthorn]

You should have included some string manipulation.

[philipswood]

Nah, handling mouse events would be better.

[elif]

Knowing my cats, they would experience a buffet overload.

[pmontra]

And a red spot in a loop ;-)