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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 set_profile_picture(self, filename):
 """ Sets the profile picture :param filename: The filename on disk of the image to set """

        log.info("[+] Setting the profile picture to file '{}'".format(filename))
        profile_pictures.set_profile_picture(filename, self.kik_node + '@talk.kik.com', self.username, self.password)