#task: create the empty data structure
grocery_item = {};
grocery_history = [];
#Variable used to check if the while loop condition is met
user_input = 'c'
item_count =  1
while user_input!='q':
	#Accept input of the name of the grocery item purchased.
	print("Item name:\n")
	item_name = input()
	#Accept input of the quantity of the grocery item purchased.
	print("Quantity purchased:\n")
	quantity = input()
	#Accept input of the cost of the grocery item input (this is a per-item cost).
	print("Price per item:\n")
	cost = input()
	#Using the update function to create a dictionary entry which contains the name, number and price entered by the user.
	grocery_item.update({'name':item_name})
	grocery_item.update({'number':int(quantity)})
	grocery_item.update({'price':float(cost)})
	#Add the grocery_item to the grocery_history list using the append function
	grocery_history.append(grocery_item)
	grocery_item = {}
	#Accept input from the user asking if they have finished entering grocery items.
	print("Would you like to enter another item?\n Type 'c' for continue or 'q' to quit:\n")
	user_input = input()

# Define variable to hold grand total called 'grand_total'
grand_total = 0
#Define a 'for' loop.  
for k in grocery_history:
	#Calculate the total cost for the grocery_item.
	item_total = k["number"]*k["price"]
	#Add the item_total to the grand_total
	grand_total=grand_total+item_total
	#Output the information for the grocery item to match this example:
#2 apple	@	$1.49	ea	$2.98
	print(str(k["number"])+' '+k["name"]+' @ $'+str(k["price"])+' ea $'+str(item_total))
	#Set the item_total equal to 0
	item_total = 0

grand_total = round(grand_total,2)
#Print the grand total
print("Grand total: $"+str(grand_total))