Digital Twin

transportation.py

# Define a Truck class to represent a truck
class Truck:
    def __init__(self, location, capacity):
        self.location = location
        self.capacity = capacity
        self.cargo = {}
        
    def load_cargo(self, item, quantity):
        if sum(self.cargo.values()) + quantity <= self.capacity:
            if item in self.cargo:
                self.cargo[item] += quantity
            else:
                self.cargo[item] = quantity
        else:
            print("Error: Not enough capacity to load cargo.")
            
    def unload_cargo(self, item, quantity):
        if item in self.cargo and self.cargo[item] >= quantity:
            self.cargo[item] -= quantity
        else:
            print("Error: Cargo not found.")
            
    def move_to(self, location):
        self.location = location

# Create a truck at location "Paris" with a capacity of 100
truck = Truck("Paris", 100)

# Load 50 units of item "A" onto the truck
truck.load_cargo("A", 50)

# Move the truck to location "Lille"
truck.move_to("Lille")

# Unload 25 units of item "A" from the truck
truck.unload_cargo("A", 25)