def triangles(): L=[1] yield L L=[1,1] while True: yield L L1 = [] for i in range(0,len(L)-1): L1 = [L[i]+L[i+1]]+L1 L=[1]+L1+[1]
我觉得你把+L1写在前面好一些,虽然输出没问题,但顺序反了
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木四水华