On 2014-05-15 13:34, GuoChao wrote:
T <https://docs.python.org/2.7/library/struct.html>he Python
documentation gives this same example:
record = b'raymond\x32\x12\x08\x01\x08'
name, serialnum, school, gradelevel = unpack('<10sHHb', record)
but get different results as to 's', don't know why this change in
Python 3? need extra work to encode...
name
'raymond ' #for 2.7 <https://docs.python.org/2.7/library/struct.html>
name
b'raymond ' #for _3.3 <https://docs.python.org/3.3/library/struct.html>_
They are actually the same result; they are both bytestrings (a string
of bytes).
In Python 2, the 'str' class is for bytestrings and the 'unicode' class
is for Unicode strings, so 'abc' (or b'abc') is a bytestring and u'abc'
is a Unicode string.
In Python 3, the 'bytes' class is for bytestrings and the 'str' class
is for Unicode strings, so b'abc' is a bytestring and 'abc' is a
Unicode string.
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