items = [
    ('diapers', 10.00),
    ('peanuts', 5.00),
    ('butter', 6.25),
    ('cheese', 3.00),
    ('milk', 3.5),
    ('yogurt', 1.99),
    ('eggs', 4.5),
    ('bread', 4),
    ('shrimp', 2.5),
    ('coffee', 1.5)
]