python has a Decimal module

[Vito De Tullio]

https://docs.python.org/library/decimal.html

[Thomas Smith]

Example:

>>> from decimal import Decimal
>>> Decimal('0.1') + Decimal('0.2')
Decimal('0.3')

[Erik Wiffin]

Someone provided a pull request for the Decimal module. #39 Does that cover it?

[Thomas Smith]

Sure, that's a reasonable way to show it.