Introductory Programming Fall 2004 Today: 1) Evaluation 6 2) Finish Homework 9 For next time: 1) Read Chapter 12 Evaluations 6 Solutions ----------------------- def reverse_lookup(d, val): for key in d: if d[key] == val: return key return None def inverse_dictionary(d): res = {} for key in d: val = d[key] res[val] = key return res