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bpo-43837: Reverse order of precedence table to show tightly binding operators first (GH-25469) (GH-25472)
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‎Doc/reference/expressions.rst

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@@ -1807,8 +1807,8 @@ Operator precedence
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.. index::
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pair: operator; precedence
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The following table summarizes the operator precedence in Python, from lowest
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precedence (least binding) to highest precedence (most binding). Operators in
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The following table summarizes the operator precedence in Python, from highest
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precedence (most binding) to lowest precedence (least binding). Operators in
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the same box have the same precedence. Unless the syntax is explicitly given,
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operators are binary. Operators in the same box group left to right (except for
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exponentiation, which groups from right to left).
@@ -1821,50 +1821,50 @@ precedence and have a left-to-right chaining feature as described in the
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+-----------------------------------------------+-------------------------------------+
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| Operator | Description |
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+===============================================+=====================================+
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| ``:=`` | Assignment expression |
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+-----------------------------------------------+-------------------------------------+
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| :keyword:`lambda` | Lambda expression |
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| ``(expressions...)``, | Binding or parenthesized |
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| | expression, |
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| ``[expressions...]``, | list display, |
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| ``{key: value...}``, | dictionary display, |
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| ``{expressions...}`` | set display |
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+-----------------------------------------------+-------------------------------------+
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| :keyword:`if <if_expr>` -- :keyword:`!else` | Conditional expression |
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| ``x[index]``, ``x[index:index]``, | Subscription, slicing, |
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| ``x(arguments...)``, ``x.attribute`` | call, attribute reference |
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+-----------------------------------------------+-------------------------------------+
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| :keyword:`or` | Boolean OR |
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| :keyword:`await` ``x`` | Await expression |
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+-----------------------------------------------+-------------------------------------+
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| :keyword:`and` | Boolean AND |
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| ``**`` | Exponentiation [#]_ |
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+-----------------------------------------------+-------------------------------------+
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| :keyword:`not` ``x`` | Boolean NOT |
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| ``+x``, ``-x``, ``~x`` | Positive, negative, bitwise NOT |
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+-----------------------------------------------+-------------------------------------+
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| :keyword:`in`, :keyword:`not in`, | Comparisons, including membership |
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| :keyword:`is`, :keyword:`is not`, ``<``, | tests and identity tests |
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| ``<=``, ``>``, ``>=``, ``!=``, ``==`` | |
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| ``*``, ``@``, ``/``, ``//``, ``%`` | Multiplication, matrix |
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| | multiplication, division, floor |
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| | division, remainder [#]_ |
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+-----------------------------------------------+-------------------------------------+
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| ``|`` | Bitwise OR |
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| ``+``, ``-`` | Addition and subtraction |
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+-----------------------------------------------+-------------------------------------+
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| ``^`` | Bitwise XOR |
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| ``<<``, ``>>`` | Shifts |
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+-----------------------------------------------+-------------------------------------+
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| ``&`` | Bitwise AND |
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+-----------------------------------------------+-------------------------------------+
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| ``<<``, ``>>`` | Shifts |
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| ``^`` | Bitwise XOR |
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+-----------------------------------------------+-------------------------------------+
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| ``+``, ``-`` | Addition and subtraction |
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| ``|`` | Bitwise OR |
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+-----------------------------------------------+-------------------------------------+
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| ``*``, ``@``, ``/``, ``//``, ``%`` | Multiplication, matrix |
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| | multiplication, division, floor |
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| | division, remainder [#]_ |
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| :keyword:`in`, :keyword:`not in`, | Comparisons, including membership |
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| :keyword:`is`, :keyword:`is not`, ``<``, | tests and identity tests |
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| ``<=``, ``>``, ``>=``, ``!=``, ``==`` | |
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+-----------------------------------------------+-------------------------------------+
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| ``+x``, ``-x``, ``~x`` | Positive, negative, bitwise NOT |
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| :keyword:`not` ``x`` | Boolean NOT |
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+-----------------------------------------------+-------------------------------------+
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| ``**`` | Exponentiation [#]_ |
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| :keyword:`and` | Boolean AND |
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+-----------------------------------------------+-------------------------------------+
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| :keyword:`await` ``x`` | Await expression |
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| :keyword:`or` | Boolean OR |
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+-----------------------------------------------+-------------------------------------+
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| ``x[index]``, ``x[index:index]``, | Subscription, slicing, |
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| ``x(arguments...)``, ``x.attribute`` | call, attribute reference |
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| :keyword:`if <if_expr>` -- :keyword:`!else` | Conditional expression |
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+-----------------------------------------------+-------------------------------------+
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| ``(expressions...)``, | Binding or parenthesized |
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| | expression, |
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| ``[expressions...]``, | list display, |
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| ``{key: value...}``, | dictionary display, |
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| ``{expressions...}`` | set display |
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| :keyword:`lambda` | Lambda expression |
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+-----------------------------------------------+-------------------------------------+
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| ``:=`` | Assignment expression |
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+-----------------------------------------------+-------------------------------------+
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