[3.13] Fix typos and grammar errors across documentation (GH-144709) (#144804)

(cherry picked from commit 3718f4be60)

Co-authored-by: Ronald Eddy Jr <ronald_eddy@yahoo.com>

Doc/tutorial/classes.rst

@@ -420,7 +420,7 @@ of the class::
     'Buddy'
 
 As discussed in :ref:`tut-object`, shared data can have possibly surprising
-effects with involving :term:`mutable` objects such as lists and dictionaries.
+effects involving :term:`mutable` objects such as lists and dictionaries.
 For example, the *tricks* list in the following code should not be used as a
 class variable because just a single list would be shared by all *Dog*
 instances::

Doc/tutorial/controlflow.rst

@@ -155,8 +155,8 @@ that takes an iterable is :func:`sum`::
     6
 
 Later we will see more functions that return iterables and take iterables as
-arguments.  In chapter :ref:`tut-structures`, we will discuss in more detail about
-:func:`list`.
+arguments.  In chapter :ref:`tut-structures`, we will discuss :func:`list` in more
+detail.
 
 .. _tut-break:
 
@@ -440,7 +440,7 @@ Several other key features of this statement:
   ``False`` and ``None`` are compared by identity.
 
 - Patterns may use named constants.  These must be dotted names
-  to prevent them from being interpreted as capture variable::
+  to prevent them from being interpreted as capture variables::
 
       from enum import Enum
       class Color(Enum):
@@ -1106,7 +1106,7 @@ Intermezzo: Coding Style
 
 Now that you are about to write longer, more complex pieces of Python, it is a
 good time to talk about *coding style*.  Most languages can be written (or more
-concise, *formatted*) in different styles; some are more readable than others.
+concisely, *formatted*) in different styles; some are more readable than others.
 Making it easy for others to read your code is always a good idea, and adopting
 a nice coding style helps tremendously for that.
 

Doc/tutorial/whatnow.rst

@@ -68,6 +68,6 @@ already contain the solution for your problem.
 
 .. rubric:: Footnotes
 
-.. [#] "Cheese Shop" is a Monty Python's sketch: a customer enters a cheese shop,
+.. [#] "Cheese Shop" is a Monty Python sketch: a customer enters a cheese shop,
    but whatever cheese he asks for, the clerk says it's missing.