python

8. Functions. Consider the following functions defined below.

def foo(x) : x=x+1

print('foo:', x)

def bar(y) : y=y+2

print('bar:', y) foo (y) return y

(a) (8 points) What does bar(3) return?

(b) (8 points) What is the output of bar(3)? Make sure to write not only the return value but every- thing that happens when the function is called.