input: Write a function to take a dictionary as an argument and return 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}
output: def item_counts(fruits):
      return fruits