#4.10.1的代码 def PrintList(oList):if isinstance(oList,list): oLen = len(oList) Temp = oList[0:-1] oStr = \ for i in range(len(Temp)): t = Temp[i] + , oStr += t return oStr + and + oList[-1]else: return Error t = [apple,anana, ofu,cat] print PrintList(t)
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