input: Write a python function to print a price list of items available given a dictionary of expenses.
  assert print_price_list({'Apple': 2, 'Banana': 1, 'Milk': 3}) == "Price list of items available:\n------------------------------\nItem\tPrice\n------------------------------\nApple\t2\nBanana\t1\nMilk\t3\n------------------------------"
  assert print_price_list({'Pen': 1.5, 'Notebook': 2.5, 'Eraser': 0.5}) == "Price list of items available:\n------------------------------\nItem\tPrice\n------------------------------\nPen\t1.5\nNotebook\t2.5\nEraser\t0.5\n------------------------------"
  assert print_price_list({'Bread': 2, 'Butter': 4, 'Jam': 3}) == "Price list of items available:\n------------------------------\nItem\tPrice\n------------------------------\nBread\t2\nButter\t4\nJam\t3\n------------------------------"
output: def print_price_list(expenses):
      price_list = "Price list of items available:\n------------------------------\nItem\tPrice\n------------------------------\n"
      for item, price in expenses.items():
          price_list += f"{item}\t{price}\n"
      price_list += "------------------------------"
      return price_list