future-builtins.rst 458 B

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  1. .. _future-builtins:
  2. ``future.builtins``
  3. ===================
  4. The ``future.builtins`` module is also accessible as ``builtins`` on Py2.
  5. - ``pow()`` supports fractional exponents of negative numbers like in Py3::
  6. >>> from builtins import pow
  7. >>> pow(-1, 0.5)
  8. (6.123233995736766e-17+1j)
  9. - ``round()`` uses Banker's Rounding as in Py3 to the nearest even last digit::
  10. >>> from builtins import round
  11. >>> assert round(0.1250, 2) == 0.12