def format_name(f_name, l_name):
  """Take a first and last name and format it
  to return the title case version of the name"""
  #Using an early return if inputs aren't valid
  if f_name == "" or l_name == "":
    return "You didn't provide valid inputs."

  formatted_f_name = f_name.title()
  formatted_l_name = l_name.title()

  #Returning a formatted string when inputs are valid
  return f"{formatted_f_name} {formatted_l_name}"