In general terms, what are programming code functions? What are the main advantages of using Python functions when writing longer programs? Define a simple, commented function called $$programIsHere$$ that takes a single parameter $($which we assume to be a string$)$ and displays a message that says: The program has got to here: followed by the value of the parameter. Include in your TMA document a screenshot that includes the code, and the response given by calling the function as follows:

programIsHere$("$TM$129$ TMA $03,$ end of Q$3,$ part b$")$