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import numpy as npfrom matplotlib import pyplot as pltif __name__ == '__main__': x = np.linspace(-1, 1, 1000) y1 = np.sqrt(1 - x * x) y2 = -np.sqrt(1 - x * x) z1 = np.sqrt(1.1 - x * x) z2 = -np.sqrt(1.1 - x * x) ax1 = plt.axes(pr.

官方下载：https://www.python.org/downloads/安装教程参考：http://jingyan.baidu.com/article/7908e85c78c743af491ad261.html点击即可下载默认安装：2.7默认安装在：C:/Python273.7默认安装在：C:\Users\Administrator\AppData\Local\P...

已经安装Python配置好环境变量：在任意控制台输入Python可以进入Python环境运行pip：在任意控制台输入pip命令，下面以安装Tushare为例安装包：Tusharepip install tushare升级包：Tusharepip install tushare --upgrade ...