Question

Q3 Coding challenge 2 5 Points Suppose you are hired as a developer in a pizzeria. This pizzeria wants to store its order in a dictionary that has the username of the client as keys, and as values, it holds another dictionary containing the order summary. An order summary is composed of the keys number_of_pizzas and price_per_pizza. An example of the input dictionary is the following: { "mark123": { "number_of_pizzas": 3, "price_per_pizza" : 20.00 }, "alice666": { "number_of_pizzas": 2, "price_per_pizza" : 24.00 }, } Implement a function named minPizza that takes as a parameter a dictionary containing pizza orders for each client and returns the username of the client that spent the least. Using the example above, the function should return alice666

Answer 1

def minPizza(pizza_orders):
   i=0
   for username in pizza_orders.keys():   #looping across the dictionary using keys (username)
       #calculating the total money spent
       total_cost=pizza_orders[username]["number_of_pizzas"] * pizza_orders[username]["price_per_pizza"]
       if(i==0):   #if first loop
           least_spent_username=username
           least_spent_value=total_cost
           i=1
       else:   #for all other loops except the first
           if(total_cost<least_spent_value):   #if less than least
               #replace the least with current values
               least_spent_username=username
               least_spent_value=total_cost

   return least_spent_username   #return username

pizza_orders={
   "mark123":{
       "number_of_pizzas":3,
       "price_per_pizza":20.00
   },
   "alice666":{
       "number_of_pizzas":2,
       "price_per_pizza":24.00
   }
}
print(minPizza(pizza_orders))

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