class ParkingSpot: def __init__(self, spot_id, status='Available'): self.spot_id = spot_id self.status = status def __str__(self): return f'Spot ID: {self.spot_id} Status: {self.status}' class ParkingLot: def __init__(self, num_spots): self.spots = [ParkingSpot(i) for i in range(1, num_spots+1)] def park_vehicle(self, spot_id): spot = self.spots[spot_id-1] if spot.status == 'Available': spot.status = 'Occupied' print(f'Spot {spot_id} is now occupied.') else: print(f'Spot {spot_id} is already occupied.') def release_spot(self, spot_id): spot = self.spots[spot_id-1] if spot.status == 'Occupied': spot.status = 'Available' print(f'Spot {spot_id} is now available.') else: print(f'Spot {spot_id} is already available.') def display_spots(self): for spot in self.spots: print(spot)具体解释一下这些代码运行作用
时间: 2023-06-02 22:08:33 浏览: 63
这些代码定义了两个类:ParkingSpot和ParkingLot。ParkingSpot表示停车位,其中包括停车位的ID和状态(可用或占用)。ParkingLot表示停车场,其中包括若干个停车位。该类初始化时会创建指定数量的停车位,并将其状态设置为可用。
该类还包括三个方法:park_vehicle,release_spot和display_spots。park_vehicle方法用于将车停入指定的停车位,其工作流程是检查指定停车位的状态是否为可用,如果是则将其状态设置为占用,并打印相关消息;否则打印停车位已经被占用的相关消息。release_spot方法用于将车离开指定的停车位,其工作流程是检查指定停车位的状态是否为占用,如果是则将其状态设置为可用,并打印相关消息;否则打印停车位已经可用的相关消息。display_spots方法用于展示停车场所有停车位的状态。
总之,这些代码用于定义停车场和停车位,并提供了与停车场管理相关的基本操作,比如停车、离开和查看停车位状态等。
相关问题
优化代码class DeliveryRequest: def __init__(self, name, location, time): self.name = name self.location = location self.time = time class DeliveryStation: def __init__(self, location): self.location = location self.requests = [] def add_request(self, request): self.requests.append(request) def match_deliveryman(self, deliverymen): for request in self.requests: for deliveryman in deliverymen: if request.location == deliveryman.location and request.time == deliveryman.available_time: print(f"您有一个快递将送给{request.name},请您按时送货") print(f"您的快递将由{deliveryman.name}在{request.time}送达,请您按时等候") deliverymen.remove(deliveryman) break class DeliveryMan: def __init__(self, name, location, available_time): self.name = name self.location = location self.available_time = available_time class Dispatcher: def __init__(self, delivery_stations, deliverymen): self.delivery_stations = delivery_stations self.deliverymen = deliverymen def dispatch(self): for station in self.delivery_stations: station.match_deliveryman(self.deliverymen)
可以考虑优化代码的可读性和效率,例如使用列表推导式和更好的命名:
```python
class DeliveryRequest:
def __init__(self, name, location, time):
self.name = name
self.location = location
self.time = time
class DeliveryStation:
def __init__(self, location):
self.location = location
self.requests = []
def add_request(self, request):
self.requests.append(request)
def match_deliveryman(self, deliverymen):
for request in self.requests:
matching_deliverymen = [dm for dm in deliverymen if dm.location == request.location and dm.available_time == request.time]
for deliveryman in matching_deliverymen:
print(f"您有一个快递将送给{request.name},请您按时送货")
print(f"您的快递将由{deliveryman.name}在{request.time}送达,请您按时等候")
deliverymen.remove(deliveryman)
break
class DeliveryMan:
def __init__(self, name, location, available_time):
self.name = name
self.location = location
self.available_time = available_time
class Dispatcher:
def __init__(self, delivery_stations, deliverymen):
self.delivery_stations = delivery_stations
self.deliverymen = deliverymen
def dispatch(self):
for station in self.delivery_stations:
station.match_deliveryman(self.deliverymen)
```
这样,我们使用列表推导式来创建了一个匹配的快递员列表,然后使用一个 for 循环来遍历它。我们也使用更好的变量名来提高代码的可读性。
class Person: def __init__(self, name, age): self.name = name self.age = age
def introduce(self):
print(f"My name is {self.name} and I am {self.age} years old.")
class Student(Person):
def __init__(self, name, age, major):
super().__init__(name, age)
self.major = major
def study(self):
print(f"I am studying {self.major}.")
class Teacher(Person):
def __init__(self, name, age, subject):
super().__init__(name, age)
self.subject = subject
def teach(self):
print(f"I am teaching {self.subject}.")
s = Student("John", 20, "Computer Science")
s.introduce() # Output: My name is John and I am 20 years old.
s.study() # Output: I am studying Computer Science.
t = Teacher("Jane", 35, "Math")
t.introduce() # Output: My name is Jane and I am 35 years old.
t.teach() # Output: I am teaching Math.
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