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: print (Finished marketing.") else: print ("Call 999-999 for a great value", "n-", n) market (n -1) market (3) b. def model (n): if n 1: print ("Base case, n-"n) return 1000 else: print ("n >1", n " n) return -100 model (n -1) print (model (3))