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Diffstat (limited to 'Doc/whatsnew/2.7.rst')
| -rw-r--r-- | Doc/whatsnew/2.7.rst | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst index a9eb0ba..61084c8 100644 --- a/Doc/whatsnew/2.7.rst +++ b/Doc/whatsnew/2.7.rst @@ -66,7 +66,23 @@ Other Language Changes Some smaller changes made to the core Python language are: -* List of changes to be written here. +* The :func:`int` and :func:`long` types 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`.) + .. ====================================================================== |