input: Write a function that takes a dictionary of fruits with their counts as an argument and returns a dictionary containing the counts of each fruit. If the input dictionary is empty, the function should return an empty dictionary.
  assert item_counts({"apples": 5, "oranges": 6, "bananas": 7}) == {"apples": 5, "oranges": 6, "bananas": 7}
  assert item_counts({}) == {}
output: def item_counts(fruits):
      return fruits