2. Trace each of the following Python functions and associated calls. Using the trace examples in your text as a guide, keep track of the memory and output. a. def market(n): if n == 0: else: print ("Finished marketing.") print ("Call 999-999 for a great value", "n = ", n) market (n-1) market (3) b. def model (n): if n == 1: else: print ("Base case, n = ", n) return 1000 print ("n >1", n = ", n) return -100+ model (n-1) print (model (3))