输入"pip install pandas"第八:按下回车符,会出现一个小白条在闪烁
1,首先检测是否有安装beautifulsoup4,进入命令行界面输入:pip list
首先要安装beautifulsoup在cmd命令行输入 pip ins
upgradingpip和pipinstall报错errorinvalidrequirement的一个可能
beautifulsoup安装方式:windows用户在命令行中输入:pip install
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