input: Write a function to generate a list of suggestions for an autocomplete feature based on a given prefix from a provided dictionary. If the dictionary is empty, return an empty list.
  
  def auto_complete(dictionary, prefix):
      prefix_words = []
      for word in dictionary:
          if word.startswith(prefix):
              prefix_words.append(word)
      return prefix_words
  
  assert auto_complete(["dog", "deer", "deal", "dungeon", "dark", "dusk"], "d")==["dog", "deer", "deal", "dungeon", "dark", "dusk"]
  assert auto_complete(["cat", "car", "cave", "cup"], "ca")==["cat", "car"]
  assert auto_complete(["apple", "banana", "cherry"], "a")==["apple"]
  assert auto_complete(["dog", "deer", "deal", "dungeon", "dark", "dusk"], "z")==[]
  assert auto_complete([], "d")==[]
  assert auto_complete(["apple", "appetizer", "application"], "app")==["apple", "appetizer", "application"]
output: def auto_complete(dictionary, prefix):
      prefix_words = []
      for word in dictionary:
          if word.startswith(prefix):
              prefix_words.append(word)
      return prefix_words