input: Write a function to explain different methods of returning multiple values from a Python function. The function should return a tuple containing the explanations of each method. If the input is empty, the function should return an empty tuple.
  
  def return_multiple_values_methods():
      method1 = "Use a tuple to return multiple values."
      method2 = "Use the 'return' statement to return multiple values."
      example = "def get_multi_values(): value1 = 'ABC'; value2 = 123; return value1, value2; value1, value2 = get_multi_values(); print(value1, value2)"
      return method1, method2, example
  
  assert return_multiple_values_methods() == ("Use a tuple to return multiple values.", "Use the 'return' statement to return multiple values.", "def get_multi_values(): value1 = 'ABC'; value2 = 123; return value1, value2; value1, value2 = get_multi_values(); print(value1, value2)")
  assert return_multiple_values_methods() == ("Use a tuple to return multiple values.", "Use the 'return' statement to return multiple values.", "def get_multi_values(): value1 = 'ABC'; value2 = 123; return value1, value2; value1, value2 = get_multi_values(); print(value1, value2)")
  assert return_multiple_values_methods() == ("Use a tuple to return multiple values.", "Use the 'return' statement to return multiple values.", "def get_multi_values(): value1 = 'ABC'; value2 = 123; return value1, value2; value1, value2 = get_multi_values(); print(value1, value2)")
  assert return_multiple_values_methods() == ("Use a tuple to return multiple values.", "Use the 'return' statement to return multiple values.", "def get_multi_values(): value1 = 'ABC'; value2 = 123; return value1, value2; value1, value2 = get_multi_values(); print(value1, value2)")
  assert return_multiple_values_methods() == ("Use a tuple to return multiple values.", "Use the 'return' statement to return multiple values.", "def get_multi_values(): value1 = 'ABC'; value2 = 123; return value1, value2; value1, value2 = get_multi_values(); print(value1, value2)")
output: def return_multiple_values_methods():
      method1 = "Use a tuple to return multiple values."
      method2 = "Use the 'return' statement to return multiple values."
      example = "def get_multi_values(): value1 = 'ABC'; value2 = 123; return value1, value2; value1, value2 = get_multi_values(); print(value1, value2)"
      return method1, method2, example