code: def get_slot(self):
          
          corner, edge = self.get_pair()
          corner_slot, edge_slot = corner.location.replace("D", "", 1), edge.location
          if "U" not in corner_slot and corner_slot not in ["FR", "RB", "BL", "LF"]:
              corner_slot = ["FR", "RB", "BL", "LF"][["RF", "BR", "LB", "FL"].index(corner_slot)]
          if "U" not in edge_slot and edge_slot not in ["FR", "RB", "BL", "LF"]:
              edge_slot = ["FR", "RB", "BL", "LF"][["RF", "BR", "LB", "FL"].index(edge_slot)]
          if "U" in corner_slot and "U" in edge_slot:
              return ("SLOTFREE", (None, None), (corner, edge))
          if "U" in corner_slot:
              return ("CSLOTFREE", (None, edge_slot), (corner, edge))
          if "U" in edge_slot:
              return ("ESLOTFREE", (corner_slot, None), (corner, edge))
          if corner_slot not in [edge_slot, edge_slot[::-1]]:
              return ("DIFFSLOT", (corner_slot, edge_slot), (corner, edge))
          if (corner, edge) == self.estimated_position():
              return ("SOLVED", (corner_slot, edge_slot), (corner, edge))
          return ("WRONGSLOT", (corner_slot, edge_slot), (corner, edge))
docs: Get the slot position of this pair.