parameters: (object)
return_statement: return isinstance(object, types.FunctionType)
docstring: Return true if the object is a user-defined function.
  
      Function objects provide these attributes:
          __doc__         documentation string
          __name__        name with which this function was defined
          func_code       code object containing compiled function bytecode
          func_defaults   tuple of any default values for arguments
          func_doc        (same as __doc__)
          func_globals    global namespace in which this function was defined
          func_name       (same as __name__)
docstring_summary: Return true if the object is a user-defined function.
docstring_tokens: Return true if the object is a user - defined function .
function: def isfunction(object):
      """Return true if the object is a user-defined function.
  
      Function objects provide these attributes:
          __doc__         documentation string
          __name__        name with which this function was defined
          func_code       code object containing compiled function bytecode
          func_defaults   tuple of any default values for arguments
          func_doc        (same as __doc__)
          func_globals    global namespace in which this function was defined
          func_name       (same as __name__)"""
      return isinstance(object, types.FunctionType)
function_tokens: def isfunction ( object ) : return isinstance ( object , types . FunctionType )