where M&M's is the food name, 10.0 is the grams of fat, 34.0 is the grams of carbohydrates, 2.0 is the grams of protein, and 1.0 is the number of servings, the output is: Nutritional information per serving of None: Fat: 0.00 g Carbohydrates: 0.00 g Protein: 0.00 g Number of calories for 1.00 serving (s): 0.00 Nutritional information per serving of M&M's: Fat: 10.00 g Carbohydrates: 34.00 g Protein: 2.00 g Number of calories for 1.00 serving (s): 234.00
Control structures
Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.
Switch Statement
The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.
class FoodItem:
# TODO: Define constructor with parameters to initialize instance
# attributes (name, fat, carbs, protein)
def get_calories(self, num_servings):
# Calorie formula
calories = ((self.fat * 9) + (self.carbs * 4) + (self.protein * 4)) * num_servings;
return calories
def print_info(self):
print('Nutritional information per serving of {}:'.format(self.name))
print(' Fat: {:.2f} g'.format(self.fat))
print(' Carbohydrates: {:.2f} g'.format(self.carbs))
print(' Protein: {:.2f} g'.format(self.protein))
if __name__ == "__main__":
food_item1 = FoodItem()
item_name = input()
amount_fat = float(input())
amount_carbs = float(input())
amount_protein = float(input())
food_item2 = FoodItem(item_name, amount_fat, amount_carbs, amount_protein)
num_servings = float(input())
food_item1.print_info()
print('Number of calories for {:.2f} serving(s): {:.2f}'.format(num_servings,
food_item1.get_calories(num_servings)))
print()
food_item2.print_info()
print('Number of calories for {:.2f} serving(s): {:.2f}'.format(num_servings,
food_item2.get_calories(num_servings)))
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