pythongh-101100: Fix Sphinx warnings in tutorial/controlflow.rst (python#109424)

Co-authored-by: Adam Turner <[email protected]>

Author: 2 people

Doc/tools/.nitignore

@@ -146,7 +146,6 @@ Doc/reference/datamodel.rst
 Doc/reference/expressions.rst
 Doc/reference/import.rst
 Doc/reference/simple_stmts.rst
-Doc/tutorial/controlflow.rst
 Doc/tutorial/datastructures.rst
 Doc/tutorial/introduction.rst
 Doc/using/cmdline.rst

Doc/tutorial/controlflow.rst

@@ -534,7 +534,7 @@ This example, as usual, demonstrates some new Python features:
   Different types define different methods.  Methods of different types may have
   the same name without causing ambiguity.  (It is possible to define your own
   object types and methods, using *classes*, see :ref:`tut-classes`)
-  The method :meth:`~list.append` shown in the example is defined for list objects; it
+  The method :meth:`!append` shown in the example is defined for list objects; it
   adds a new element at the end of the list.  In this example it is equivalent to
   ``result = result + [a]``, but more efficient.
 
@@ -1046,7 +1046,7 @@ Function Annotations
 information about the types used by user-defined functions (see :pep:`3107` and
 :pep:`484` for more information).
 
-:term:`Annotations <function annotation>` are stored in the :attr:`__annotations__`
+:term:`Annotations <function annotation>` are stored in the :attr:`!__annotations__`
 attribute of the function as a dictionary and have no effect on any other part of the
 function.  Parameter annotations are defined by a colon after the parameter name, followed
 by an expression evaluating to the value of the annotation.  Return annotations are