class Fib(object): def __init__(self,x): ''' assumes x an int >= 0 ''' assert type(x) == int and x >= 0,\ 'Your variable is not an Positive integer!' self.x = x def getFib(self): ''' return Fibonacci of x ''' if self.x == 0 or self.x == 1: return 1 else: return Fib(self.x-2).getFib()\ + Fib(self.x-1).getFib() def printFib(self): ''' print Fibonacci series from 0~x ''' if self.x == 0: return [1] elif self.x == 1: return [1,1] else: Fib_L = [] for i in range(self.x): Fib_L.append(Fib(i).getFib()) return Fib_L就是Fibonacci 的一个小代码，怎么改到最优啊。
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