a=[1] b=[1] c=[] while True: yield b for i in range(len(b)-1): c.append(b[i]+b[i+1]) b=a+c+a c=[]
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洋崽爱学术
a=[1] b=[1] c=[] while True: yield b
for i in range(len(b)-1): c.append(b[i]+b[i+1]) b=a+c+a
c=[]