solution

app/main.py

@@ -1,5 +1,70 @@
+from typing import List, Optional
+
+
 class Cargo:
  def __init__(self, weight: int) -> None:
  self.weight = weight
 
-# write your code here
+
+class BaseRobot:
+ def __init__(self,
+ name: str,
+ weight: int,
+ coords: Optional[List[int]] = None) -> None:
+ self.name = name
+ self.weight = weight
+ self.coords = coords or [0, 0]
+
+ def go_forward(self, step: int = 1) -> None:
+ self.coords[1] += step
+
+ def go_back(self, step: int = 1) -> None:
+ self.coords[1] -= step
+
+ def go_right(self, step: int = 1) -> None:
+ self.coords[0] += step
+
+ def go_left(self, step: int = 1) -> None:
+ self.coords[0] -= step
+
+ def get_info(self) -> str:
+ return f"Robot: {self.name}, Weight: {self.weight}"
+
+
+class FlyingRobot(BaseRobot):
+
+ def __init__(self,
+ name: str,
+ weight: int,
+ coords: Optional[List[int]] = None) -> None:
+ if coords is None:
+ coords = [0, 0, 0]
+ elif len(coords) == 2:
+ coords.append(0)
+ super().__init__(name, weight, coords[:2])
+ self.coords = coords
+
+ def go_up(self, step: int = 1) -> None:
+ self.coords[2] += step
+
+ def go_down(self, step: int = 1) -> None:
+ self.coords[2] -= step
+
+
+class DeliveryDrone(FlyingRobot):
+ def __init__(self,
+ name: str,
+ weight: int,
+ coords: Optional[List[int]] = None,
+ max_load_weight: int = 0,
+ current_load: Cargo = None) -> None:
+ super().__init__(name, weight, coords)
+ self.max_load_weight = max_load_weight
+ self.current_load = current_load
+
+ def hook_load(self, cargo: Cargo) -> None:
+ if self.current_load is None and cargo.weight <= self.max_load_weight:
+ self.current_load = cargo
+
+ def unhook_load(self) -> None:
+ self.current_load = None