Choose one of answer below for finding the length of tuple?

def tuple$\_$operations$($self$)$:

return self.sample$\_$tuple

def tuple$\_$operations$($self$)$:

return len$($self$.$sample$\_$tuple$)$

def tuple$\_$operations$($self$)$:

return self.sample$\_$tuple.length$()$

def tuple$\_$operations$($self$)$:

return self.sample$\_$tuple. len$()$

def tuple$\_$operations$($self$)$:

return length$($self$.$sample$\_$tuple$)$