下列代码的执行结果是?() mylist=['Failure','is','the','mother','of','success'] for x in mylist[:]: if len(x)<=3: mylist.append(x) print(mylist)
A：['Failure','is','the','mother','of','success']
B：['Failure','is','the','mother','of','success','of','is']
C：['Failure', 'is', 'the', 'mother', 'of', 'success', 'is', 'of']
D：['Failure', 'is', 'the', 'mother', 'of', 'success', 'is', 'the', 'of']
正确答案：D
试卷来源：202303 青少年软件编程等级考试Python二级真题