groceries

'''
The task is broken down into three sections.
Section 1 - User Input
Section 2 - loop through the grocery list
Section 3 - provide output to the console
'''

groceries = []  # list of purchased groceries

while True:  # input loop

    item_name = input('Item name (or just return to exit):\n')
    if not item_name:
        break  # input ended, exit input loop

    while True:  # quantity input validation loop
        try:
            quantity = int(input('Quantity purchased:\n'))
            if quantity < 1:
                raise ValueError
            break
        except ValueError:
            print('That is not a valid entry. Please try again.')

    while True:  # price input validation loop
        try:
            cost = float(input('Price per item:\n'))
            break
        except ValueError:
            print('That is not a valid entry. Please try again.')

    groceries.append({'name': item_name, 'number': quantity, 'price':cost})


grand_total = float(0.00)

print("\n\nGroceries\n\n #\tItem      \tPrice\tTotal")
for grocery in groceries:
    item_total = grocery['number'] * grocery['price']
    grand_total += item_total
    #Output the information for the grocery item to match this example:
    #2 apple    @   $1.49   ea  $2.98
    print(f"{grocery['number']:2}\t{grocery['name']:<10}\t${grocery['price']:4.2f}\t${item_total:6.2f}")

print('Grand total: $%.2f \n' %(grand_total))