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Python Reference Manual |  |
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Content-Length: 6468 | pFad | https://docs.python.org/2.2/ref/exprlists.html
expression_list |
::= | expression ( "," expression )* [","] |
An expression list containing at least one comma yields a tuple. The length of the tuple is the number of expressions in the list. The expressions are evaluated from left to right.
The trailing comma is required only to create a single tuple (a.k.a. a
singleton); it is optional in all other cases. A single
expression without a trailing comma doesn't create a
tuple, but rather yields the value of that expression.
(To create an empty tuple, use an empty pair of parentheses:
().)
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Python Reference Manual | |
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Fetched URL: https://docs.python.org/2.2/ref/exprlists.html
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