print(adder ( = = = )adder ( ='aa' ='bb' ='cc')print(adder ( = = = )adder ( ='aa' ='bb' ='cc') (and dictionary tools here are my solutions to exercises and (file dicts pythese are just coding exercisesthoughbecause python added the dictionary methods copy(and update( to handle things like copying and adding (mergingdictionaries see for dict update examplesand python' library manual or 'reilly' python pocket reference for more details [:doesn' work for dictionariesas they're not sequences (see for detailsalsoremember that if you assign ( drather than copyingyou generate reference to shared dictionary objectchanging changes etoodef copydict(old)new {for key in old keys()new[keyold[keyreturn new def adddict( )new {for key in keys()new[keyd [keyfor key in keys()new[keyd [keyreturn new python from dicts import { copydict(dd[ '? { '?' { { { adddict(xyz { see # more argument-matching examples here is the sort of interaction you should getalong with comments that explain the matching that goes ondef (ab)print(abnormal args def ( * )print(abpositional varargs def ( ** )print(abkeyword varargs def ( * ** )print(abcmixed modes appendix dsolutions to end-of-part exercises