Making decimal.Decimal the default numerical type in Python

Is there some way I could make decimal.Decimal the default type for all numerical values in Python? I would like to be able to use Python in a manner similar to the bc and dc programs without having to call decimal.Decimal(…) for every number.

EDIT: For the uninitiated: bc.

EDIT 2: Thank you tokenize module..

Answer

At the bottom of the tokenize module’s documentation, there is a function that does exactly what I need: