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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_method_names(obj):
 """ Gets names of all methods implemented in specified object. :param obj: an object to introspect. :return: a list with method names. """

        method_names = []
        
        for method_name in dir(obj):

            method = getattr(obj, method_name)

            if MethodReflector._is_method(method, method_name):
                method_names.append(method_name)

        return method_names