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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 change_object_content_type(self, obj, new_ctype, guess=False):
 """ Copies object to itself, but applies a new content-type. The guess feature requires this container to be CDN-enabled. If not, then the content-type must be supplied. If using guess with a CDN-enabled container, new_ctype can be set to None. Failure during the put will result in an exception. """

        return self.manager.change_object_content_type(self, obj, new_ctype,
                guess=guess)