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)['Failure','is','the','mother','of','success']
['Failure','is','the','mother','of','success','of','is']
['Failure', 'is', 'the', 'mother', 'of', 'success', 'is', 'of']
['Failure', 'is', 'the', 'mother', 'of', 'success', 'is', 'the', 'of']