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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 dict_to_object(self, d):
 """ Decode datetime value from string to datetime """

        for k, v in list(d.items()):
            if isinstance(v, six.string_types) and len(v) == 19:
                # Decode a datetime string to a datetime object
                try:
                    d[k] = datetime.strptime(v, "%Y-%m-%dT%H:%M:%S")
                except ValueError:
                    pass
            elif isinstance(v, six.string_types) and len(v) > 20:
                try:
                    d[k] = datetime.strptime(v, "%Y-%m-%dT%H:%M:%S.%f")
                except ValueError:
                    pass
            elif isinstance(v, list):
                d[k] = [self.string_to_datetime(elem) for elem in v]
        return DotDict(d)