ingredients.py

# CLASSES AND OBJECT-ORIENTED PROGRAMMING
class Ingredient:
    """Models an ingredient including its name and amount."""
    def __init__(self, name, amount):
        self.name = name
        self.amount = amount

    def __str__(self):
        return f"There are {self.amount} of {self.name}."

    def use(self, use_amount):
        """Reduces the amount of ingredient available."""
        self.amount -= use_amount

    def expire(self):
        """Expires the ingredient item."""
        print(f"whoops, these {self.name} went bad...")
        self.name = "expired " + self.name

# INHERITANCE

# build a subclass called Spice

# create a custom method grind()

# override the expire() method

# customize the __init__() method