2

class Medicine:
    def __init__(self, med_id, med_name, manufacturer, price, quantity):
        self.med_id = med_id
        self.med_name = med_name
        self.manufacturer = manufacturer
        self.price = price
        self.quantity = quantity

    def __str__(self):
        return f"ID: {self.med_id} Name: {self.med_name} Manufacturer: {self.manufacturer} Price:{str(round(self.price, 2))} Quantity: {self.quantity}"
    def __repr__(self):
        return f"ID: {self.med_id} Name: {self.med_name} Manufacturer: {self.manufacturer} Price:{str(round(self.price, 2))} Quantity: {self.quantity}"
    def Display(self):
        print(self)
    def Search_by_name(self, name):
        if(self.med_name == name):
            self.Display()
    def Sale(self, quantity):
        if(quantity <= 0):
            print("Vavedete validno kolichestvo!")
        elif(self.quantity >= quantity):
            self.quantity = self.quantity - quantity
            print(f"Uspeshno prodadohte {quantity} broq ot lekarstvo {self.med_name}")
        else:
            print("Nedostatuchno kolichestvo!")
    def Purchase(self, quantity):
        if(quantity <= 0):
            print("Vavedete validno kolichestvo!")
        else:
            self.quantity = self.quantity + quantity
            print(f"Uspeshno zakupihte {quantity} broq ot lekarstvo {self.med_name}")


med_list = []

def Sort_Meds():
    print(sorted(med_list, key= lambda x: x.med_name))

while True:
    try:
        n = int(input("Vavedi broi lekarstva: "))
        if(n <= 0):
            raise Exception("Vavedi validno chislo!")
    except ValueError:
        print('Nevalidno chislo!')
        break
    except Exception:
        print("Nevalidni vhodni danni")
        break

    for i in range(n):
        print(f"Lekarstvo NO. {i+1}")
        med_id = int(input("Vavedi ID: "))
        med_name = input("Vavedi ime: ")
        manufacturer = input("Vavedi proizvoditel: ")
        price = float(input("Vavedi cena: "))
        quantity = int(input("Vavedi kolichestvo: "))

        med_list.append(Medicine(med_id, med_name, manufacturer, price, quantity))

    med_list[0].Display()
    med_list[0].Sale(2)
    med_list[1].Purchase(8)
    print(med_list)
    Sort_Meds()
    print(med_list)
    break