Clean Singleton Docstrings

[Random832]

On Sun, Jul 17, 2016, at 03:51, Chris Angelico wrote:
> Currently yes, you can choose to use fractions.Fraction and pay the
> price. How, if you have a single type with different representations,
> can you make that choice?

Sorry, I forgot to answer your question. Though, your implicit claim
that it's impossible to make choices if your choices aren't represented
by different types is absurd.

For example, you could have a function that returns an inexact number
with the (approximately) same value as the given number.