input: Write a function to take a dictionary as an argument and return a dictionary showing the count of each item.
  
  def item_counts(fruits):
      counts = {}
      for k, v in fruits.items():
          counts[k] = v
      return counts
  
  assert item_counts({"apples": 5, "oranges": 6, "bananas": 7})=={"apples": 5, "oranges": 6, "bananas": 7}
  assert item_counts({"apples": 3, "oranges": 2, "bananas": 1})=={"apples": 3, "oranges": 2, "bananas": 1}
  assert item_counts({"apples": 0, "oranges": 1, "bananas": 0})=={"apples": 0, "oranges": 1, "bananas": 0}
  assert item_counts({})=={}
output: def item_counts(fruits):
      return fruits