使用二分支if语句编程

Question

Answer 1

如果可行，点点你的小手，请采纳，谢谢

    xstr = input("Input x: ")
    x = float(xstr)
    if not x == 0:
        res = pow(x,2) + 2*(x + 1)/3
        res = round(res,2)
        print('y=%s' %res)
    else:
        print('y=0')