diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/stdtypes.rst | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst index 27dd249..e75cfc7 100644 --- a/Doc/library/stdtypes.rst +++ b/Doc/library/stdtypes.rst @@ -804,22 +804,20 @@ constructor, :func:`bytes`, and from literals; use a ``b`` prefix with normal string syntax: ``b'xyzzy'``. To construct byte arrays, use the :func:`bytearray` function. -.. warning:: - - While string objects are sequences of characters (represented by strings of - length 1), bytes and bytearray objects are sequences of *integers* (between 0 - and 255), representing the ASCII value of single bytes. That means that for - a bytes or bytearray object *b*, ``b[0]`` will be an integer, while - ``b[0:1]`` will be a bytes or bytearray object of length 1. The - representation of bytes objects uses the literal format (``b'...'``) since it - is generally more useful than e.g. ``bytes([50, 19, 100])``. You can always - convert a bytes object into a list of integers using ``list(b)``. - - Also, while in previous Python versions, byte strings and Unicode strings - could be exchanged for each other rather freely (barring encoding issues), - strings and bytes are now completely separate concepts. There's no implicit - en-/decoding if you pass an object of the wrong type. A string always - compares unequal to a bytes or bytearray object. +While string objects are sequences of characters (represented by strings of +length 1), bytes and bytearray objects are sequences of *integers* (between 0 +and 255), representing the ASCII value of single bytes. That means that for +a bytes or bytearray object *b*, ``b[0]`` will be an integer, while +``b[0:1]`` will be a bytes or bytearray object of length 1. The +representation of bytes objects uses the literal format (``b'...'``) since it +is generally more useful than e.g. ``bytes([50, 19, 100])``. You can always +convert a bytes object into a list of integers using ``list(b)``. + +Also, while in previous Python versions, byte strings and Unicode strings +could be exchanged for each other rather freely (barring encoding issues), +strings and bytes are now completely separate concepts. There's no implicit +en-/decoding if you pass an object of the wrong type. A string always +compares unequal to a bytes or bytearray object. Lists are constructed with square brackets, separating items with commas: ``[a, b, c]``. Tuples are constructed by the comma operator (not within square |