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Diffstat (limited to 'Doc/whatsnew/3.1.rst')
| -rw-r--r-- | Doc/whatsnew/3.1.rst | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.1.rst b/Doc/whatsnew/3.1.rst index a244568..7df4d1e 100644 --- a/Doc/whatsnew/3.1.rst +++ b/Doc/whatsnew/3.1.rst @@ -66,4 +66,26 @@ This article explains the new features in Python 3.1, compared to 3.0. .. ====================================================================== +Other Language Changes +====================== + +Some smaller changes made to the core Python language are: + +* The :func:`int` type gained a ``bit_length`` method that returns the + number of bits necessary to represent its argument in binary:: + + >>> n = 37 + >>> bin(37) + '0b100101' + >>> n.bit_length() + 6 + >>> n = 2**123-1 + >>> n.bit_length() + 123 + >>> (n+1).bit_length() + 124 + + (Contributed by Fredrik Johansson and Victor Stinner; :issue:`3439`.) + + .. ====================================================================== |