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PYTHON STUDY 5/1.Class Inheritance/1.Overview/drink.py

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+from menu_item import MenuItem
+
+class Drink(MenuItem):
+    def __init__(self, name, price, volume):
+        super().__init__(name, price)
+        self.volume = volume
+
+    def info(self):
+        return self.name + ': $' + str(self.price) + ' (' + str(self.volume) + 'mL)'

PYTHON STUDY 5/1.Class Inheritance/1.Overview/food.py

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+from menu_item import MenuItem
+
+class Food(MenuItem):
+    def __init__(self, name, price, calorie_count):
+        super().__init__(name, price)
+        self.calorie_count = calorie_count
+
+    def info(self):
+        return self.name + ': $' + str(self.price) + ' (' + str(self.calorie_count) + 'kcal)'
+
+    def calorie_info(self):
+        print('kcal: ' + str(self.calorie_count))

PYTHON STUDY 5/1.Class Inheritance/1.Overview/menu_item.py

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+class MenuItem:
+    def __init__(self, name, price):
+        self.name = name
+        self.price = price
+
+    def info(self):
+        return self.name + ': $' + str(self.price)
+
+    def get_total_price(self, count):
+        total_price = self.price * count
+        
+        if count >= 3:
+            total_price *= 0.9
+        
+        return round(total_price)

PYTHON STUDY 5/1.Class Inheritance/1.Overview/script.py

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+from food import Food
+from drink import Drink
+
+food1 = Food('Sandwich', 5, 330)
+food2 = Food('Chocolate Cake', 4, 450)
+food3 = Food('Cream Puff', 2, 180)
+
+foods = [food1, food2, food3]
+
+drink1 = Drink('Coffee', 3, 180)
+drink2 = Drink('Orange Juice', 2, 350)
+drink3 = Drink('Espresso', 3, 30)
+
+drinks = [drink1, drink2, drink3]
+
+print('Food')
+index = 0
+for food in foods:
+    print(str(index) + '. ' + food.info())
+    index += 1
+
+print('Drinks')
+index = 0
+for drink in drinks:
+    print(str(index) + '. ' + drink.info())
+    index += 1
+
+print('--------------------')
+order = int(input('Enter food item number: '))
+selected_food = foods[order]
+
+order = int(input('Enter drink item number: '))
+selected_drink = drinks[order]
+
+count = int(input('How many meals do you want to buy? (10% off for 3 or more): '))
+result = selected_food.get_total_price(count) + selected_drink.get_total_price(count)
+print('Your total is $'  + str(result))

PYTHON STUDY 5/1.Class Inheritance/10.Practical Application/drink.py

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+from menu_item import MenuItem
+
+class Drink(MenuItem):
+    def __init__(self, name, price, volume):
+        super().__init__(name, price)
+        self.volume = volume
+
+    def info(self):
+        return self.name + ': $' + str(self.price) + ' (' + str(self.volume) + 'mL)'

PYTHON STUDY 5/1.Class Inheritance/10.Practical Application/food.py

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+from menu_item import MenuItem
+
+class Food(MenuItem):
+    def __init__(self, name, price, calorie_count):
+        super().__init__(name, price)
+        self.calorie_count = calorie_count
+    
+    def info(self):
+        return self.name + ': $' + str(self.price) + ' (' + str(self.calorie_count) + 'kcal)'
+    
+    def calorie_info(self):
+        print('kcal: ' + str(self.calorie_count))

PYTHON STUDY 5/1.Class Inheritance/10.Practical Application/foodOrder.py

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+class MenuItem:
+    def __init__(self, name, price):
+        self.name = name
+        self.price = price
+
+    def info(self):
+        return self.name + ': $' + str(self.price)
+
+    def get_total_price(self, count):
+        total_price = self.price * count
+
+        if count >= 3:
+            total_price *= 0.9
+
+        return round(total_price)
+
+class Food(MenuItem):
+    def __init__(self, name, price, calorie_count):
+        super().__init__(name, price)
+        self.calorie_count = calorie_count
+    
+    def info(self):
+        return self.name + ': $' + str(self.price) + ' (' + str(self.calorie_count) + 'kcal)'
+    
+    def calorie_info(self):
+        print('kcal: ' + str(self.calorie_count))
+        
+class Drink(MenuItem):
+    def __init__(self, name, price, volume):
+        super().__init__(name, price)
+        self.volume = volume
+
+    def info(self):
+        return self.name + ': $' + str(self.price) + ' (' + str(self.volume) + 'mL)'
+
+        
+        
+food1 = Food('Sandwich', 5, 330)
+food2 = Food('Chocolate Cake', 4, 450)
+food3 = Food('Cream Puff', 2, 180)
+
+foods = [food1, food2, food3]
+
+drink1 = Drink('Coffee', 3, 180)
+drink2 = Drink('Orange Juice', 2, 350)
+drink3 = Drink('Espresso', 3, 30)
+
+drinks = [drink1, drink2, drink3]
+
+print('Food')
+index = 0
+for food in foods:
+    print(str(index) + '. ' + food.info())
+    index += 1
+
+print('Drinks')
+index = 0
+for drink in drinks:
+    print(str(index) + '. ' + drink.info())
+    index += 1
+
+print('--------------------')
+
+food_order = int(input('Enter food item number: '))
+selected_food = foods[food_order]
+
+drink_order = int(input('Enter drink item number: '))
+selected_drink = drinks[drink_order]
+
+# Take input from the console and assign it to the count variable
+count = int(input('How many meals would you like to purchase? (10% off for 3 or more): '))
+
+# Call the get_total_price method from selected_food and from selected_drink
+result = selected_food.get_total_price(count) + selected_drink.get_total_price(count)
+
+# Output 'Your total is $____'
+print('Your total is $ ' + str(result))
+print('Happy to help you!!!')
+print('Made by ASHANK')

PYTHON STUDY 5/1.Class Inheritance/10.Practical Application/menu_item.py

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+class MenuItem:
+    def __init__(self, name, price):
+        self.name = name
+        self.price = price
+
+    def info(self):
+        return self.name + ': $' + str(self.price)
+
+    def get_total_price(self, count):
+        total_price = self.price * count
+
+        if count >= 3:
+            total_price *= 0.9
+
+        return round(total_price)

PYTHON STUDY 5/1.Class Inheritance/10.Practical Application/script.py

@@ -0,0 +1,43 @@
+from food import Food
+from drink import Drink
+
+food1 = Food('Sandwich', 5, 330)
+food2 = Food('Chocolate Cake', 4, 450)
+food3 = Food('Cream Puff', 2, 180)
+
+foods = [food1, food2, food3]
+
+drink1 = Drink('Coffee', 3, 180)
+drink2 = Drink('Orange Juice', 2, 350)
+drink3 = Drink('Espresso', 3, 30)
+
+drinks = [drink1, drink2, drink3]
+
+print('Food')
+index = 0
+for food in foods:
+    print(str(index) + '. ' + food.info())
+    index += 1
+
+print('Drinks')
+index = 0
+for drink in drinks:
+    print(str(index) + '. ' + drink.info())
+    index += 1
+
+print('--------------------')
+
+food_order = int(input('Enter food item number: '))
+selected_food = foods[food_order]
+
+drink_order = int(input('Enter drink item number: '))
+selected_drink = drinks[drink_order]
+
+# Take input from the console and assign it to the count variable
+count = int(input('How many meals would you like to purchase? (10% off for 3 or more): '))
+
+# Call the get_total_price method from selected_food and from selected_drink
+result = selected_food.get_total_price(count) + selected_drink.get_total_price(count)
+
+# Output 'Your total is $____'
+print('Your total is $ ' + str(result))

PYTHON STUDY 5/1.Class Inheritance/2.What is Inheritance/drink.py

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+# Import the MenuItem class using 'from' 'import'
+from menu_item import MenuItem
+
+# Inherit the MenuItem class and define the Drink class
+class Drink(MenuItem):
+    pass
+

PYTHON STUDY 5/1.Class Inheritance/2.What is Inheritance/food.py

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+# Import the MenuItem class using 'from' 'import'
+from menu_item import MenuItem
+
+# Inherit the MenuItem class and define the Food class
+class Food(MenuItem):
+    pass

PYTHON STUDY 5/1.Class Inheritance/2.What is Inheritance/menu_item.py

@@ -0,0 +1,15 @@
+class MenuItem:
+    def __init__(self, name, price):
+        self.name = name
+        self.price = price
+
+    def info(self):
+        return self.name + ': $' + str(self.price)
+
+    def get_total_price(self, count):
+        total_price = self.price * count
+
+        if count >= 3:
+            total_price *= 0.9
+
+        return round(total_price)

PYTHON STUDY 5/1.Class Inheritance/3.How Inheritance Works/drink.py

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+from menu_item import MenuItem
+
+class Drink(MenuItem):
+    pass

PYTHON STUDY 5/1.Class Inheritance/3.How Inheritance Works/food.py

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+from menu_item import MenuItem
+
+class Food(MenuItem):
+    pass

PYTHON STUDY 5/1.Class Inheritance/3.How Inheritance Works/menu_item.py

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+class MenuItem:
+    def __init__(self, name, price):
+        self.name = name
+        self.price = price
+
+    def info(self):
+        return self.name + ': $' + str(self.price)
+
+    def get_total_price(self, count):
+        total_price = self.price * count
+
+        if count >= 3:
+            total_price *= 0.9
+
+        return round(total_price)

PYTHON STUDY 5/1.Class Inheritance/3.How Inheritance Works/script.py

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+# Import the Food class and Drink class
+from food import Food
+from drink import Drink
+
+# Create an instance of the Food class and assign it to the food1 variable
+food1 = Food('Sandwich',5)
+
+# Call the info method from food1 and output the return value
+print(food1.info())
+
+# Create an instance of the Drink class and assign it to the drink1 variable
+drink1 = Drink('Coffee',3)
+
+# Call the info method from drink1 and output the return value
+print(drink1.info())

PYTHON STUDY 5/1.Class Inheritance/4.Adding Instance Methods/drink.py

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+from menu_item import MenuItem
+
+class Drink(MenuItem):
+    pass

PYTHON STUDY 5/1.Class Inheritance/4.Adding Instance Methods/food.py

@@ -0,0 +1,7 @@
+from menu_item import MenuItem
+
+class Food(MenuItem):
+    # Define the calorie_info method
+    def calorie_info(self):
+        print('kcal: ' + str(self.calorie_count))
+    

PYTHON STUDY 5/1.Class Inheritance/4.Adding Instance Methods/menu_item.py

@@ -0,0 +1,15 @@
+class MenuItem:
+    def __init__(self, name, price):
+        self.name = name
+        self.price = price
+
+    def info(self):
+        return self.name + ': $' + str(self.price)
+
+    def get_total_price(self, count):
+        total_price = self.price * count
+
+        if count >= 3:
+            total_price *= 0.9
+
+        return round(total_price)

PYTHON STUDY 5/1.Class Inheritance/4.Adding Instance Methods/script.py

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+from food import Food
+from drink import Drink
+
+food1 = Food('Sandwich', 5)
+
+# Set the calorie_count variable of food1 to 330
+food1.calorie_count = 330
+
+# Call the calorie_info method from food1
+food1.calorie_info()

PYTHON STUDY 5/1.Class Inheritance/5.Revising the info Method (1)/drink.py

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+from menu_item import MenuItem
+
+class Drink(MenuItem):
+    pass

PYTHON STUDY 5/1.Class Inheritance/5.Revising the info Method (1)/food.py

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+from menu_item import MenuItem
+
+class Food(MenuItem):
+    # Define the info method
+    def info(self):
+        return self.name + ': $' + str(self.price) + ' (' + str(self.calorie_count) + 'kcal)'
+    
+    def calorie_info(self):
+        print('kcal: ' + str(self.calorie_count))

PYTHON STUDY 5/1.Class Inheritance/5.Revising the info Method (1)/menu_item.py

@@ -0,0 +1,15 @@
+class MenuItem:
+    def __init__(self, name, price):
+        self.name = name
+        self.price = price
+
+    def info(self):
+        return self.name + ': $' + str(self.price)
+
+    def get_total_price(self, count):
+        total_price = self.price * count
+
+        if count >= 3:
+            total_price *= 0.9
+
+        return round(total_price)

PYTHON STUDY 5/1.Class Inheritance/5.Revising the info Method (1)/script.py

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+from food import Food
+from drink import Drink
+
+food1 = Food('Sandwich', 5)
+food1.calorie_count = 330
+
+# Call the info method from food1 and output the return value
+print(food1.info())