python新手关于编写函数的问题sum = 0def sum(i1,i2):result = 0for i in range(i1,i2 + 1):result += ireturn resultsum = sum(1,9)print sum(1,9)显示错误,但第8,9行交换下位置,如下所示:sum = 0def sum(i1,i2):result = 0for i in rang
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![python新手关于编写函数的问题sum = 0def sum(i1,i2):result = 0for i in range(i1,i2 + 1):result += ireturn resultsum = sum(1,9)print sum(1,9)显示错误,但第8,9行交换下位置,如下所示:sum = 0def sum(i1,i2):result = 0for i in rang](/uploads/image/z/14547656-56-6.jpg?t=python%E6%96%B0%E6%89%8B%E5%85%B3%E4%BA%8E%E7%BC%96%E5%86%99%E5%87%BD%E6%95%B0%E7%9A%84%E9%97%AE%E9%A2%98sum+%3D+0def+sum%28i1%2Ci2%29%3Aresult+%3D+0for+i+in+range%28i1%2Ci2+%2B+1%29%3Aresult+%2B%3D+ireturn+resultsum+%3D+sum%281%2C9%29print+sum%281%2C9%29%E6%98%BE%E7%A4%BA%E9%94%99%E8%AF%AF%2C%E4%BD%86%E7%AC%AC8%2C9%E8%A1%8C%E4%BA%A4%E6%8D%A2%E4%B8%8B%E4%BD%8D%E7%BD%AE%2C%E5%A6%82%E4%B8%8B%E6%89%80%E7%A4%BA%EF%BC%9Asum+%3D+0def+sum%28i1%2Ci2%29%3Aresult+%3D+0for+i+in+rang)
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