[pull] main from python:main

Doc/library/json.rst

@@ -234,6 +234,16 @@ Basic Usage
       If ``True``, dictionaries will be outputted sorted by key.
       Default ``False``.
 
+   .. note::
+
+      Keys in key/value pairs of JSON are always of the type :class:`str`. When
+      a dictionary is converted into JSON, all the keys of the dictionary are
+      converted to strings. As a result of this, if a dictionary is converted
+      into JSON and then back into a dictionary, the dictionary may not equal
+      the original one. That is, ``loads(dumps(x)) != x`` if x has non-string
+      keys. *sort_keys* sorts the keys before they are converted to strings,
+      so numeric keys are sorted by value, not by their string representation.
+
    .. versionchanged:: 3.2
       Allow strings for *indent* in addition to integers.
 
@@ -253,17 +263,6 @@ Basic Usage
    table <py-to-json-table>`.  The arguments have the same meaning as in
    :func:`dump`.
 
-   .. note::
-
-      Keys in key/value pairs of JSON are always of the type :class:`str`. When
-      a dictionary is converted into JSON, all the keys of the dictionary are
-      coerced to strings. As a result of this, if a dictionary is converted
-      into JSON and then back into a dictionary, the dictionary may not equal
-      the original one. That is, ``loads(dumps(x)) != x`` if x has non-string
-      keys.
-      *sort_keys* sorts the keys before they are coerced to strings,
-      so numeric keys are sorted by value, not by their string representation.
-
 .. function:: load(fp, *, cls=None, object_hook=None, parse_float=None, \
                    parse_int=None, parse_constant=None, \
                    object_pairs_hook=None, array_hook=None, **kw)

Doc/library/statistics.rst

@@ -306,6 +306,11 @@ However, for reading convenience, most of the examples show sorted sequences.
    .. image:: kde_example.png
       :alt: Scatter plot of the estimated probability density function.
 
+   Because the returned ``f_hat`` function is typically called many times,
+   it caches the *data* for performance. To support dynamic datasets, this
+   cache automatically refreshes whenever the length of the *data* changes.
+   This allows new samples to be added as they become available.
+
    .. versionadded:: 3.13