python 数列的平方和

要计算Python数列的平方和，可以使用以下代码：

import numpy as np

print("请输入一个整数")
n = int(input("n="))

a_n = np.arange(1, n+1) # 生成数列
sum = np.sum(a_n**2) # 计算数列的平方和

print(sum)

这段代码使用了NumPy库中的`arange`函数生成了从1到n的数列，并使用了`sum`函数计算了这个数列的平方和。最后通过`print`函数输出结果。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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