Write a Python program to print a formatted price list with a given list of expenses.
expenses = {
    "bread": 2.50,
    "butter": 4.50,
    "cake": 12.75,
    "sugar": 6.95
}
def print_price_list(expenses):
    print("Price list of items available:")
    print("-" * 30)
    print("Item\tPrice")
    print("-" * 30)
    for item in expenses.keys():
        print("{}\t{}".format(item, expenses[item]))
    print("-" * 30)