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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_all(self):
 """Returns all the timings, sorted in decreasing order. Each value is a dict: { path: <path>, timing: <timing in seconds> } """

    return [{'label': x[0], 'timing': x[1], 'is_tool': x[0] in self._tool_labels}
            for x in sorted(self._timings_by_path.items(), key=lambda x: x[1], reverse=True)]