need answers for No4 and No5

other can be thought of as miniature of other programs. Like any program, we can think of functions as having input and output to communicate with the main program. (a) How does a program provide "input" to one of its functions? (b) How does a function provide "output" to the program? 5. Consider this very simple function: def cube (x) answer X X return answer (a) What does this function do? (b) show how a program could use this function to print the value of va, assuming y is a variable. (c) Here is a fragment of a program that uses this function: result a cube (3) print (answer result) The output from this fragment is 4 27. Explain why the output is not 27 27, even though cube seems to change the value of answer to 27. Programming Exercises 1. Write a program to print the lyrics of the song "old MacDonald." Your program should print the lyrics for five different animals, similar to the example verse below. old MacDonald had a farm, Ee-igh, Ee-igh, oh! And on that farm he had a cow, Ee-igh, Ee-igh, oh! With a moo, moo here and a mao, moo there