Think Python - Denison University

80 Chapter 8. Stringsdef any_lowercase1(s):for c in s:if c.islower():return Trueelse:return Falsedef any_lowercase2(s):for c in s:if 'c'.islower():return 'True'else:return 'False'def any_lowercase3(s):for c in s:flag = c.islower()return flagdef any_lowercase4(s):flag = Falsefor c in s:flag = flag or c.islower()return flagdef any_lowercase5(s):for c in s:if not c.islower():return Falsereturn TrueExercise8.12 ROT13isaweakformofencryptionthatinvolves“rotating”eachletterinawordby13places 1 . Torotatealettermeanstoshiftitthroughthealphabet,wrappingaroundtothebeginningifnecessary, so’A’shiftedby 3is’D’and ’Z’shiftedby1is’A’.Write a function called rotate_word that takes a string and an integer as parameters, and thatreturns anew stringthat contains thelettersfrom theoriginal string“rotated” by thegiven amount.For example, “cheer” rotated by 7is“jolly” and “melon” rotated by-10 is“cubed”.Youmightwanttousethebuilt-infunctionsord,whichconvertsacharactertoanumericcode,andchr,which converts numeric codes tocharacters.Potentially offensive jokes on the Internet are sometimes encoded in ROT13. If you are not easilyoffended, find and decode someof them.1 Seewikipedia.org/wiki/ROT13.