並前往https://github.com/dnxbjyj/jianshu-blog/blob/master/%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90-%E5%A4%84%E7%90%86%E4%B8%8E%E6%8C%96%E6%8E%98/Python%E7%A7%91%E5%AD%A6%E8%AE%A1%E7%AE%97%E5%88%A9%E5%99%A8%E2%80%94%E2%80%94SymPy%E5%BA%93.md