1cdef extern from *: 2 int new(int new) 3 4def new(x): 5 """ 6 >>> new(3) 7 3 8 """ 9 cdef int new = x 10 return new 11 12def x(new): 13 """ 14 >>> x(10) 15 110 16 >>> x(1) 17 1 18 """ 19 if new*new != new: 20 return new + new**2 21 return new 22 23class A: 24 def new(self, n): 25 """ 26 >>> a = A() 27 >>> a.new(3) 28 6 29 >>> a.new(5) 30 120 31 """ 32 if n <= 1: 33 return 1 34 else: 35 return n * self.new(n-1) 36