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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 clear_dir(self):
 """Delete contents of the directory on the given path."""

        self.stdout.write("Deleting contents of '{}'.".format(self.destination_path))

        for filename in os.listdir(self.destination_path):
            if os.path.isfile(filename) or os.path.islink(filename):
                os.remove(filename)
            elif os.path.isdir(filename):
                shutil.rmtree(filename)