input: Write a python function to remove empty strings from a list.
  assert remove_empty_strings(["Hello", "", "Python", "World", ""]) == ["Hello", "Python", "World"]
  assert remove_empty_strings(["", "", "", ""]) == []
  assert remove_empty_strings(["Non-empty", ""]) == ["Non-empty"]
output: def remove_empty_strings(input_list):
      return [string for string in input_list if string != ""]