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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 can_process(self, pairs):
 """Returns True if this solution can process `pairs` Parameters pairs: :any:`list` of pairs of Route List of pairs Returns ------- bool True if this solution can process `pairs`. """

        i, j = pairs

        # Neither points are in a route
        if i.route_allocation() is None or j.route_allocation() is None:
            return True

        if self._allocated == len(list(self._problem.nodes())) - 1: # All nodes in a route
            return False

        return False