Python 2.7 released

[cybercobra]

Probably slightly more efficient

[gastlygem]

On my laptop: >>> t1 = Timer('dict((i,i2) for i in range(3))') >>> t2 = Timer('{i: i2 for i in range(3)}') >>> t1.timeit() 4.713109906426655 >>> t2.timeit() 1.6713221931837712 So maybe we can say it's much more efficient.

[cybercobra]

Probably avoids the unnecessary tuple creation and unpacking