有誰知道如何使這項作業適用于面向物件的編程？

威脅級別計算正確，但其余屬性要么未顯示，要么順序錯誤。在此處輸入圖片說明

如果你能幫助我，這是代碼：

class animal():
    def __init__(self, animal_species="unknown", age=0, threat_level="peaceful", hunger_level=0): 
        
        self.animal_species = animal_species
        self.age = age
        self.hunger_level = hunger_level
        self.threat_level = threat_level

def create():
    animal_species = input("Enter species: ")
    age = int(input("Enter age: "))
    return animal(animal_species, age)

def changeThreat_level():
    hunger_level = int(input("Enter hunger(1-10): "))
    threat_level = None
    if hunger_level <= 3:
      threat_level = 'peaceful'
    elif hunger_level >=4 and hunger_level<=7:
      threat_level = 'narky'
    else:
      threat_level = 'aggressive'
    return animal(hunger_level, threat_level)


cat = create()
cat = changeThreat_level()

print("Animal's Attributes: ")
print("-------------------------")
print("The species of the animal is", cat.animal_species)
print("The age of the animal is", cat.age)
print("The animals threat level is", cat.threat_level)
print("The animals hunger out of 10 is around", cat.hunger_level)

uj5u.com熱心網友回復：

你的回報changeThreat_level是把hunger_levelandthreat_level值放在建構式期望的地方animal_speciesand age。您可以嘗試指定欄位：

return animal(hunger_level=hunger_level, threat_level=threat_level)

最好還是傳入動物的實體并更改它的屬性。這樣的事情應該作業：

class animal():
    def __init__(self, animal_species="unknown", age=0, threat_level="peaceful", hunger_level=0): 
        
        self.animal_species = animal_species
        self.age = age
        self.hunger_level = hunger_level
        self.threat_level = threat_level

def create():
    animal_species = input("Enter species: ")
    age = int(input("Enter age: "))
    return animal(animal_species, age)

def changeThreat_level(animal:animal):
    hunger_level = int(input("Enter hunger(1-10): "))
    threat_level = None
    if hunger_level <= 3:
      threat_level = 'peaceful'
    elif hunger_level >=4 and hunger_level<=7:
      threat_level = 'narky'
    else:
      threat_level = 'aggressive'
    animal.hunger_level = hunger_level
    animal.threat_level = threat_level


cat = create()
changeThreat_level(cat)

print("Animal's Attributes: ")
print("-------------------------")
print("The species of the animal is", cat.animal_species)
print("The age of the animal is", cat.age)
print("The animals threat level is", cat.threat_level)
print("The animals hunger out of 10 is around", cat.hunger_level)

uj5u.com熱心網友回復：

OOP 原則之一是封裝，當每個物件在類中保持其狀態為私有時就可以實作。考慮使用 getter 和 setter 進行物件操作。這樣你就不會遇到這種問題。

此外，您的標識是錯誤的，因為create和changeThreat_level是 Cat 物件的方法，它們必須嵌套在類下方。此外，由于cat是animal物件的一個實體，請考慮將 cat 初始化為以下內容：

class animal():
    def __init__(self, animal_species="unknown", age=0, threat_level="peaceful", hunger_level=0): 
        self.animal_species = animal_species
        self.age = age
        self.hunger_level = hunger_level
        self.threat_level = threat_level

    def create(self):
        self.animal_species = input("Enter species: ")
        self.age = int(input("Enter age: "))
        self.hunger_level = int(input("Enter hunger(1-10): "))

    def change_threat_level(self):
        if self.hunger_level <= 3:
            self.threat_level = 'peaceful'
        elif self.hunger_level >=4 and self.hunger_level<=7:
            self.threat_level = 'narky'
        else:
            self.threat_level = 'aggressive'

    def print_animal_information(self):
        print("Animal's Attributes: ")
        print("-------------------------")
        print("The species of the animal is", self.animal_species)
        print("The age of the animal is", self.age)
        print("The animals threat level is", self.threat_level)
        print("The animals hunger out of 10 is around", self.hunger_level)


cat = animal()
cat.create()
cat.change_threat_level()
cat.print_animal_information()

現在你的代碼作業正常。

標籤：Python 哎呀

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