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GH-97950: Use new-style index directive ('operator') (#104156)
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@ -61,8 +61,8 @@ objects considered false:
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``range(0)``
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.. index::
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operator: or
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operator: and
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pair: operator; or
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pair: operator; and
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single: False
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single: True
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@ -95,9 +95,9 @@ These are the Boolean operations, ordered by ascending priority:
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+-------------+---------------------------------+-------+
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.. index::
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operator: and
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operator: or
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operator: not
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pair: operator; and
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pair: operator; or
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pair: operator; not
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Notes:
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@ -122,14 +122,14 @@ Comparisons
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.. index::
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pair: chaining; comparisons
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pair: operator; comparison
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operator: ==
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operator: < (less)
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operator: <=
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operator: > (greater)
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operator: >=
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operator: !=
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operator: is
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operator: is not
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pair: operator; ==
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pair: operator; < (less)
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pair: operator; <=
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pair: operator; > (greater)
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pair: operator; >=
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pair: operator; !=
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pair: operator; is
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pair: operator; is not
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There are eight comparison operations in Python. They all have the same
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priority (which is higher than that of the Boolean operations). Comparisons can
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@ -192,8 +192,8 @@ customized; also they can be applied to any two objects and never raise an
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exception.
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.. index::
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operator: in
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operator: not in
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pair: operator; in
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pair: operator; not in
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Two more operations with the same syntactic priority, :keyword:`in` and
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:keyword:`not in`, are supported by types that are :term:`iterable` or
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@ -253,11 +253,11 @@ and imaginary parts.
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single: operator; - (minus)
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single: - (minus); unary operator
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single: - (minus); binary operator
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operator: * (asterisk)
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operator: / (slash)
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operator: //
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operator: % (percent)
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operator: **
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pair: operator; * (asterisk)
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pair: operator; / (slash)
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pair: operator; //
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pair: operator; % (percent)
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pair: operator; **
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Python fully supports mixed arithmetic: when a binary arithmetic operator has
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operands of different numeric types, the operand with the "narrower" type is
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@ -392,12 +392,12 @@ Bitwise Operations on Integer Types
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pair: bitwise; operations
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pair: shifting; operations
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pair: masking; operations
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operator: | (vertical bar)
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operator: ^ (caret)
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operator: & (ampersand)
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operator: <<
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operator: >>
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operator: ~ (tilde)
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pair: operator; | (vertical bar)
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pair: operator; ^ (caret)
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pair: operator; & (ampersand)
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pair: operator; <<
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pair: operator; >>
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pair: operator; ~ (tilde)
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Bitwise operations only make sense for integers. The result of bitwise
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operations is calculated as though carried out in two's complement with an
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@ -952,8 +952,8 @@ operations have the same priority as the corresponding numeric operations. [3]_
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pair: repetition; operation
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pair: subscript; operation
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pair: slice; operation
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operator: in
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operator: not in
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pair: operator; in
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pair: operator; not in
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single: count() (sequence method)
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single: index() (sequence method)
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@ -1171,7 +1171,7 @@ The power operator
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.. index::
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pair: power; operation
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operator: **
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pair: operator; **
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The power operator binds more tightly than unary operators on its left; it binds
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less tightly than unary operators on its right. The syntax is:
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@ -1232,7 +1232,7 @@ operation can be overridden with the :meth:`__pos__` special method.
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.. index::
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single: inversion
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operator: ~ (tilde)
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pair: operator; ~ (tilde)
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The unary ``~`` (invert) operator yields the bitwise inversion of its integer
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argument. The bitwise inversion of ``x`` is defined as ``-(x+1)``. It only
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@ -1267,7 +1267,7 @@ operators and one for additive operators:
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.. index::
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single: multiplication
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operator: * (asterisk)
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pair: operator; * (asterisk)
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The ``*`` (multiplication) operator yields the product of its arguments. The
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arguments must either both be numbers, or one argument must be an integer and
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@ -1280,7 +1280,7 @@ This operation can be customized using the special :meth:`__mul__` and
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.. index::
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single: matrix multiplication
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operator: @ (at)
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pair: operator; @ (at)
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The ``@`` (at) operator is intended to be used for matrix multiplication. No
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builtin Python types implement this operator.
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@ -1290,8 +1290,8 @@ builtin Python types implement this operator.
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.. index::
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exception: ZeroDivisionError
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single: division
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operator: / (slash)
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operator: //
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pair: operator; / (slash)
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pair: operator; //
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The ``/`` (division) and ``//`` (floor division) operators yield the quotient of
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their arguments. The numeric arguments are first converted to a common type.
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@ -1305,7 +1305,7 @@ This operation can be customized using the special :meth:`__truediv__` and
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.. index::
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single: modulo
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operator: % (percent)
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pair: operator; % (percent)
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The ``%`` (modulo) operator yields the remainder from the division of the first
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argument by the second. The numeric arguments are first converted to a common
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@ -1363,8 +1363,8 @@ Shifting operations
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.. index::
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pair: shifting; operation
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operator: <<
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operator: >>
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pair: operator; <<
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pair: operator; >>
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The shifting operations have lower priority than the arithmetic operations:
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@ -1399,7 +1399,7 @@ Each of the three bitwise operations has a different priority level:
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.. index::
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pair: bitwise; and
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operator: & (ampersand)
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pair: operator; & (ampersand)
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The ``&`` operator yields the bitwise AND of its arguments, which must be
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integers or one of them must be a custom object overriding :meth:`__and__` or
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@ -1408,7 +1408,7 @@ integers or one of them must be a custom object overriding :meth:`__and__` or
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.. index::
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pair: bitwise; xor
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pair: exclusive; or
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operator: ^ (caret)
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pair: operator; ^ (caret)
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The ``^`` operator yields the bitwise XOR (exclusive OR) of its arguments, which
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must be integers or one of them must be a custom object overriding :meth:`__xor__` or
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@ -1417,7 +1417,7 @@ must be integers or one of them must be a custom object overriding :meth:`__xor_
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.. index::
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pair: bitwise; or
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pair: inclusive; or
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operator: | (vertical bar)
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pair: operator; | (vertical bar)
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The ``|`` operator yields the bitwise (inclusive) OR of its arguments, which
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must be integers or one of them must be a custom object overriding :meth:`__or__` or
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@ -1432,12 +1432,12 @@ Comparisons
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.. index::
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single: comparison
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pair: C; language
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operator: < (less)
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operator: > (greater)
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operator: <=
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operator: >=
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operator: ==
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operator: !=
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pair: operator; < (less)
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pair: operator; > (greater)
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pair: operator; <=
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pair: operator; >=
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pair: operator; ==
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pair: operator; !=
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Unlike C, all comparison operations in Python have the same priority, which is
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lower than that of any arithmetic, shifting or bitwise operation. Also unlike
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@ -1669,8 +1669,8 @@ raises the :exc:`IndexError` exception. (If any other exception is raised, it i
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if :keyword:`in` raised that exception).
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.. index::
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operator: in
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operator: not in
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pair: operator; in
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pair: operator; not in
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pair: membership; test
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object: sequence
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@ -1678,8 +1678,8 @@ The operator :keyword:`not in` is defined to have the inverse truth value of
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:keyword:`in`.
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.. index::
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operator: is
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operator: is not
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pair: operator; is
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pair: operator; is not
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pair: identity; test
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@ -1719,17 +1719,17 @@ control flow statements, the following values are interpreted as false:
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other values are interpreted as true. User-defined objects can customize their
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truth value by providing a :meth:`__bool__` method.
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.. index:: operator: not
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.. index:: pair: operator; not
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The operator :keyword:`not` yields ``True`` if its argument is false, ``False``
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otherwise.
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.. index:: operator: and
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.. index:: pair: operator; and
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The expression ``x and y`` first evaluates *x*; if *x* is false, its value is
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returned; otherwise, *y* is evaluated and the resulting value is returned.
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.. index:: operator: or
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.. index:: pair: operator; or
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The expression ``x or y`` first evaluates *x*; if *x* is true, its value is
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returned; otherwise, *y* is evaluated and the resulting value is returned.
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@ -691,7 +691,7 @@ def patch_pairindextypes(app) -> None:
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pairindextypes.pop('module', None)
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pairindextypes.pop('keyword', None)
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# pairindextypes.pop('operator', None)
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pairindextypes.pop('operator', None)
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# pairindextypes.pop('object', None)
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# pairindextypes.pop('exception', None)
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# pairindextypes.pop('statement', None)
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