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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 reqTickers( self, *contracts: List[Contract], regulatorySnapshot: bool = False) -> List[Ticker]: """ Request and return a list of snapshot tickers. The list is returned when all tickers are ready. This method is blocking. Args: contracts: Contracts to get tickers for. regulatorySnapshot: Request NBBO snapshots (may incur a fee). """

        return self._run(
            self.reqTickersAsync(
                *contracts, regulatorySnapshot=regulatorySnapshot))