Returns a flat list of all the values in a flat dictionary.

Use dict.values() to return the values in the given dictionary. Return a list() of the previous result.

def values_only(flat_dict):
  return list(flat_dict.values())

ages = {
  "Peter": 10,
  "Isabel": 11,
  "Anna": 9,
}
values_only(ages) # [10, 11, 9]