code: def get_range_by_effective_partition_key(self, effective_partition_key_value):
          
          if _CollectionRoutingMap.MinimumInclusiveEffectivePartitionKey == effective_partition_key_value:
              return self._orderedPartitionKeyRanges[0]
          
          if _CollectionRoutingMap.MaximumExclusiveEffectivePartitionKey == effective_partition_key_value:
              return None
          
          sortedLow = [(r.min, not r.isMinInclusive) for r in self._orderedRanges]
  
          index = bisect.bisect_right(sortedLow, (effective_partition_key_value, True))
          if (index > 0):
              index = index -1
          return self._orderedPartitionKeyRanges[index]
docs: Gets the range containing the given partition key
  
          :param str effective_partition_key_value:
              The partition key value.
          :return:
              The partition key range.
          :rtype: dict