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Thu Jul 29 20:47:37 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-July/102515.html

Now that we've got the short float repr in Python, there's less value
in having float.__str__ truncate to 12 significant digits (as it
currently does).  For Python 3.2, I propose making float.__str__ use
the same algorithm as float.__repr__ for its output (and similarly for
complex).

Apart from simplifying the internals a little bit, one nice feature of
this change is that it removes the differences in formatting between
printing a float and printing a container of floats:

>>> l = [1/3, 1/5, 1/7]
>>> print(l)
[0.3333333333333333, 0.2, 0.14285714285714285]
>>> print(l[0], l[1], l[2])
0.333333333333 0.2 0.142857142857

Any thoughts or comments on this?

There's a working patch at http://bugs.python.org/issue9337

Mark

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make float.str identical to floatrepr in Python 3.2

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Showing content from https://mail.python.org/pipermail/python-dev/2010-July/102515.html below:

make float.__str__ identical to float__repr__ in Python 3.2

make float.str identical to floatrepr in Python 3.2