5 ms·
def cal(n): if n == 1: return [1] else: x = cal(n-1) return [1] + [x[i]+x[i-1] for i in range(1,len(x))] +
by thisiswei 14y ago
def cal(n):
if n == 1:
return [1]
else:
x = cal(n-1)
return [1] + [x[i]+x[i-1] for i in range(1,len(x))] + [1]
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