我伦威武的博客

红色是正常颜色，蓝色表示该变量被改变了。

https://www.cnblogs.com/yuzhanhong/p/9183161.html

/ 符号之前的所有参数，都必须以位置参数穿参，不可以关键字参数传参* 符号之后的所有参数，都必须以关键字方式传参，不得以位置方式传参如果 * 出现在 / 之前，会报错，因为在 * 和 / 之间存在矛盾...

添加plt.rcParams['font.sans-serif'] = ['simhei']plt.rcParams['axes.unicode_minus'] = False这两行

When usinglocdf.loc[:]=Dataframedf.loc[int]=Dataframeif you have more than one column andSeriesif you have only 1 column in the dataframedf.loc[:, ["col_name"]]=Dataframeif you have more than one row andSeriesif you have only 1 row in th...

科学网—matplotlib图例和标签中文乱码 - 陈超的博文 (sciencenet.cn)

http://www.cnblogs.com/pinking/

https://www.jianshu.com/p/8ddb595628d1

Beautiful Soup is a Python library for pulling data out of HTML and XML files. It works with your favorite parser to provide idiomatic ways of navigating,searching, and modifying the parse tree. It commonly saves programmers hours or days of work.

#coding:utf-8Python头两行类似上述的语句只是声明Python源代码的编码方式，与其他需要编解码的地方的默认方式无关。  官方原文：If a comment in the first or second line of the Python script matches the regular expressioncoding[=:]\s*([-\w.]+), this c