这里介绍一下python中n次方运算的四种书写形式，代码如下：

# -*- coding:utf-8 -*-
"""
author: 15025
time: 10.08.2021   18:12:20
software: PyCharm

Description:
"""

import numpy as np


class PythonStudy:
    @staticmethod
    def powerAlgorithm():
        # basic python method
        x = 2
        x1 = x ** 2
        print(f"The value of x1 is {x1}")
        x2 = pow(x, 2)
        print(f"The value of x2 is {x2}")
        x3 = x.__pow__(2)
        print(f"The value of x3 is {x3}")
        # numpy method
        x4 = np.power(x, 2)
        print(f"The value of x4 is {x4}")


if __name__ == '__main__':
    main = PythonStudy()
    main.powerAlgorithm()
"""
输出结果：
The value of x1 is 4
The value of x2 is 4
The value of x3 is 4
The value of x4 is 4
"""

可以看到，四种方法均成功输出了我们想要的平方运算。

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python中计算n次方运算的四种方法