L = [1]
for n in range(10):
yield list(L)
for i in range(1,len(L)):
L[-i] = L[-i] + L[-i-1]
L.append(1)
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苏晨飞
L = [1]
for n in range(10):
yield list(L)
for i in range(1,len(L)):
L[-i] = L[-i] + L[-i-1]
L.append(1)