As per python-dev discussion with Eli, properly document and publish dis.show_code
diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index a377fc8..fb62ec1 100644
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -36,7 +36,7 @@
 The :mod:`dis` module defines the following functions and constants:
 
 
-.. function:: code_info(x=None)
+.. function:: code_info(x)
 
    Return a formatted multi-line string with detailed code object information
    for the supplied function, method, source code string or code object.
@@ -48,6 +48,16 @@
    .. versionadded:: 3.2
 
 
+.. function:: show_code(x)
+
+   Print detailed code object information for the supplied function, method,
+   source code string or code object to stdout.
+
+   This is a convenient shorthand for ``print(code_info(x))``, intended for
+   interactive exploration at the interpreter prompt.
+
+   .. versionadded:: 3.2
+
 .. function:: dis(x=None)
 
    Disassemble the *x* object.  *x* can denote either a module, a class, a