help(tuple) gives me this, which does not mention ',' either.
Help on class tuple in module __builtin__:
class tuple(object)
| tuple() -> empty tuple
| tuple(iterable) -> tuple initialized from iterable's items
|
| If the argument is a tuple, the return value is the same object.
|
| Methods defined here:
|
| __add__(...)
| x.__add__(y) <==> x+y
|
| __contains__(...)
| x.__contains__(y) <==> y in x
|
| __eq__(...)
| x.__eq__(y) <==> x==y
|
| __ge__(...)
| x.__ge__(y) <==> x>=y
|
| __getattribute__(...)
| x.__getattribute__('name') <==> x.name
|
| __getitem__(...)
| x.__getitem__(y) <==> x[y]
|
| __getnewargs__(...)
|
| __getslice__(...)
| x.__getslice__(i, j) <==> x[i:j]
|
| Use of negative indices is not supported.
|
| __gt__(...)
| x.__gt__(y) <==> x>y
|
| __hash__(...)
| x.__hash__() <==> hash(x)
|
| __iter__(...)
| x.__iter__() <==> iter(x)
|
| __le__(...)
| x.__le__(y) <==> x<=y
|
| __len__(...)
| x.__len__() <==> len(x)
|
| __lt__(...)
| x.__lt__(y) <==> x<y
|
| __mul__(...)
| x.__mul__(n) <==> x*n
|
| __ne__(...)
| x.__ne__(y) <==> x!=y
|
| __repr__(...)
| x.__repr__() <==> repr(x)
|
| __rmul__(...)
| x.__rmul__(n) <==> n*x
|
| count(...)
| T.count(value) -> integer -- return number of occurrences of value
|
| index(...)
| T.index(value, [start, [stop]]) -> integer -- return first
index of value.
| Raises ValueError if the value is not present.
|
| ----------------------------------------------------------------------
| Data and other attributes defined here:
|
| __new__ = <built-in method __new__ of type object>
| T.__new__(S, ...) -> a new object with type S, a subtype of T
On Fri, Sep 16, 2016 at 9:13 PM, MRAB <pyt...@mrabarnett.plus.com> wrote:
> On 2016-09-17 03:05, Peng Yu wrote:
>>
>> Hi,
>>
>> I'm wondering where is the documentation for ',' as in the following
>> usage.
>>
>> x = 1
>> y = 2
>> x, y = y, x
>>
>> I tried help(','). But there are too many ',' in it and I don't see in
>> which section ',' is documented. Could anybody let me know? Thanks.
>>
> Search for 'tuple' instead.
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> https://mail.python.org/mailman/listinfo/python-list
--
Regards,
Peng
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