gh-101100: Fix Sphinx warnings about list methods

Author: Yuki Kobayashi

Doc/library/collections.rst

@@ -783,10 +783,10 @@ sequence of key-value pairs into a dictionary of lists:
 
 When each key is encountered for the first time, it is not already in the
 mapping; so an entry is automatically created using the :attr:`~defaultdict.default_factory`
-function which returns an empty :class:`list`.  The :meth:`list.append`
+function which returns an empty :class:`list`.  The :meth:`!list.append`
 operation then attaches the value to the new list.  When keys are encountered
 again, the look-up proceeds normally (returning the list for that key) and the
-:meth:`list.append` operation adds another value to the list. This technique is
+:meth:`!list.append` operation adds another value to the list. This technique is
 simpler and faster than an equivalent technique using :meth:`dict.setdefault`:
 
     >>> d = {}

Doc/tutorial/datastructures.rst

@@ -142,8 +142,8 @@ Using Lists as Stacks
 
 The list methods make it very easy to use a list as a stack, where the last
 element added is the first element retrieved ("last-in, first-out").  To add an
-item to the top of the stack, use :meth:`~list.append`.  To retrieve an item from the
-top of the stack, use :meth:`~list.pop` without an explicit index.  For example::
+item to the top of the stack, use :meth:`!~list.append`.  To retrieve an item from the
+top of the stack, use :meth:`!~list.pop` without an explicit index.  For example::
 
    >>> stack = [3, 4, 5]
    >>> stack.append(6)
@@ -340,7 +340,7 @@ The :keyword:`!del` statement
 =============================
 
 There is a way to remove an item from a list given its index instead of its
-value: the :keyword:`del` statement.  This differs from the :meth:`~list.pop` method
+value: the :keyword:`del` statement.  This differs from the :meth:`!~list.pop` method
 which returns a value.  The :keyword:`!del` statement can also be used to remove
 slices from a list or clear the entire list (which we did earlier by assignment
 of an empty list to the slice).  For example::
@@ -500,8 +500,8 @@ any immutable type; strings and numbers can always be keys.  Tuples can be used
 as keys if they contain only strings, numbers, or tuples; if a tuple contains
 any mutable object either directly or indirectly, it cannot be used as a key.
 You can't use lists as keys, since lists can be modified in place using index
-assignments, slice assignments, or methods like :meth:`~list.append` and
-:meth:`~list.extend`.
+assignments, slice assignments, or methods like :meth:`!~list.append` and
+:meth:`!~list.extend`.
 
 It is best to think of a dictionary as a set of *key: value* pairs,
 with the requirement that the keys are unique (within one dictionary). A pair of