code: def string_annotation(typ, default):
      
      try:
          type_string = (
              f"`{typ.__name__}`"
              if typ.__module__ == "builtins"
              else f"`{typ.__module__}.{typ.__name__}`"
          )
      except AttributeError:
          type_string = f"`{str(typ)}`"
      if default is None:
          type_string = f"{type_string}, default ``None``"
      elif default == inspect._empty:
          pass
      else:
          type_string = f"{type_string}, default ``{default}``"
      return type_string
docs: Construct a string representation of a type annotation.
  
      Parameters
      ----------
      typ : type
          Type to turn into a string
      default : any
          Default value (if any) of the type
  
      Returns
      -------
      str
          String version of the type annotation