string to float, putting in list/tuple

[Tim Peters]

[Daniel Barié]
> ...
> But when stuffing a list with these floats the result is not as I
> expect it to be:
> [0.031690000000000003, -3.0099999999999998, -3.0099999999999998]
>
> What happened?

Binary floating point happened:

    http://tinyurl.com/1za6