result = value ** (1 / root)

```python
def Evolution():
  a = int(input("请输入你要开方的数:"))
  b = int(input("请输入你要开几次方"))
  x = int(input("预估值:"))
  # b1 一个中间变量,方便下面使用
  b1 = b - 1
  while True:
    print(x)
    y = (b1 * x + a / (x ** b1)) / b
    if y == x:
      break
    x = y
Evolution()