Docs: Use substitutions instead of manual version updates (#115416)

Doc/conf.py

@@ -66,6 +66,8 @@ version, release = patchlevel.get_version_info()
 
 rst_epilog = f"""
 .. |python_version_literal| replace:: ``Python {version}``
+.. |python_x_dot_y_literal| replace:: ``python{version}``
+.. |usr_local_bin_python_x_dot_y_literal| replace:: ``/usr/local/bin/python{version}``
 """
 
 # There are two options for replacing |today|: either, you set today to some

Doc/tutorial/interpreter.rst

@@ -10,7 +10,7 @@ Using the Python Interpreter
 Invoking the Interpreter
 ========================
 
-The Python interpreter is usually installed as :file:`/usr/local/bin/python3.13`
+The Python interpreter is usually installed as |usr_local_bin_python_x_dot_y_literal|
 on those machines where it is available; putting :file:`/usr/local/bin` in your
 Unix shell's search path makes it possible to start it by typing the command:
 
@@ -24,7 +24,7 @@ Python guru or system administrator.  (E.g., :file:`/usr/local/python` is a
 popular alternative location.)
 
 On Windows machines where you have installed Python from the :ref:`Microsoft Store
-<windows-store>`, the :file:`python3.13` command will be available. If you have
+<windows-store>`, the |python_x_dot_y_literal| command will be available. If you have
 the :ref:`py.exe launcher <launcher>` installed, you can use the :file:`py`
 command. See :ref:`setting-envvars` for other ways to launch Python.
 

Doc/tutorial/stdlib.rst

@@ -15,7 +15,7 @@ operating system::
 
    >>> import os
    >>> os.getcwd()      # Return the current working directory
-   'C:\\Python312'
+   'C:\\Python313'
    >>> os.chdir('/server/accesslogs')   # Change current working directory
    >>> os.system('mkdir today')   # Run the command mkdir in the system shell
    0

Doc/tutorial/stdlib2.rst

@@ -279,7 +279,7 @@ applications include caching objects that are expensive to create::
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
        d['primary']                # entry was automatically removed
-     File "C:/python312/lib/weakref.py", line 46, in __getitem__
+     File "C:/python313/lib/weakref.py", line 46, in __getitem__
        o = self.data[key]()
    KeyError: 'primary'