input: Write a function to generate a single Python line that creates a new list containing elements from a given list. If the input list is empty, the function should return an empty list.
  assert create_list([1, 2, 3, 4, 5])==[1, 2, 3, 4, 5]
  assert create_list(['a', 'b', 'c'])==['a', 'b', 'c']
  assert create_list([])==[]
output: def create_list(lst):
      return lst if lst else []