fix instances of consecutive articles (closes #23221)

Patch by Karan Goel.
diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index 8ad742a..66b7752 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -64,7 +64,7 @@
       Do not compare the return value to a specific exception; use
       :c:func:`PyErr_ExceptionMatches` instead, shown below.  (The comparison could
       easily fail since the exception may be an instance instead of a class, in the
-      case of a class exception, or it may the a subclass of the expected exception.)
+      case of a class exception, or it may be a subclass of the expected exception.)
 
 
 .. c:function:: int PyErr_ExceptionMatches(PyObject *exc)
diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst
index eb542de..4d358ca 100644
--- a/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@ -1182,7 +1182,7 @@
 
 .. c:function:: PyThreadState * PyInterpreterState_ThreadHead(PyInterpreterState *interp)
 
-   Return the a pointer to the first :c:type:`PyThreadState` object in the list of
+   Return the pointer to the first :c:type:`PyThreadState` object in the list of
    threads associated with the interpreter *interp*.
 
 
diff --git a/Doc/c-api/structures.rst b/Doc/c-api/structures.rst
index bb741fb..66a3443 100644
--- a/Doc/c-api/structures.rst
+++ b/Doc/c-api/structures.rst
@@ -131,7 +131,7 @@
 types, but they always return :c:type:`PyObject\*`.  If the function is not of
 the :c:type:`PyCFunction`, the compiler will require a cast in the method table.
 Even though :c:type:`PyCFunction` defines the first parameter as
-:c:type:`PyObject\*`, it is common that the method implementation uses a the
+:c:type:`PyObject\*`, it is common that the method implementation uses the
 specific C type of the *self* object.
 
 The :attr:`ml_flags` field is a bitfield which can include the following flags.
diff --git a/Doc/distutils/apiref.rst b/Doc/distutils/apiref.rst
index fff0641..82bed24 100644
--- a/Doc/distutils/apiref.rst
+++ b/Doc/distutils/apiref.rst
@@ -964,7 +964,7 @@
 .. function:: create_tree(base_dir, files[, mode=0o777, verbose=0, dry_run=0])
 
    Create all the empty directories under *base_dir* needed to put *files* there.
-   *base_dir* is just the a name of a directory which doesn't necessarily exist
+   *base_dir* is just the name of a directory which doesn't necessarily exist
    yet; *files* is a list of filenames to be interpreted relative to *base_dir*.
    *base_dir* + the directory portion of every file in *files* will be created if
    it doesn't already exist.  *mode*, *verbose* and *dry_run* flags  are as for
diff --git a/Doc/library/unittest.mock.rst b/Doc/library/unittest.mock.rst
index b242438..845e0c4 100644
--- a/Doc/library/unittest.mock.rst
+++ b/Doc/library/unittest.mock.rst
@@ -1499,7 +1499,7 @@
 However, consider the alternative scenario where instead of ``from a import
 SomeClass`` module b does ``import a`` and ``some_function`` uses ``a.SomeClass``. Both
 of these import forms are common. In this case the class we want to patch is
-being looked up on the a module and so we have to patch ``a.SomeClass`` instead::
+being looked up in the module and so we have to patch ``a.SomeClass`` instead::
 
     @patch('a.SomeClass')