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How can I format a float so that it doesn’t contain trailing zeros? In other words, I want the resulting string to be as short as possible.
For example:
3 -> "3"
3. -> "3"
3.0 -> "3"
3.1 -> "3.1"
3.14 -> "3.14"
3.140 -> "3.14"
Me, I’d do
('%f' % x).rstrip('0').rstrip('.')— guarantees fixed-point formatting rather than scientific notation, etc etc. Yeah, not as slick and elegant as%g, but, it works (and I don’t know how to force%gto never use scientific notation;-).