Allow ast.unparse to detect docstrings in functions, modules and classes and produce
nicely formatted unparsed output for said docstrings.
Co-Authored-By: Pablo Galindo <Pablogsal@gmail.com>
Add ast.unparse() as a function in the ast module that can be used to unparse an
ast.AST object and produce a string with code that would produce an equivalent ast.AST
object when parsed.