Python问题pip: command not found

        使用pip指令($ pip --version)时报如下错误:

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    Command 'pip' is available in '/usr/local/bin/pip'
    The command could not be located because '/usr/local/bin' is not included in the PATH environment variable.
    pip: command not found

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        解决方案:这是因为环境变量没有添加,按照如下方式添加环境变量。

$ sudo gedit /etc/profile

        打开/etc/profile文件之后,向该文件中添加/usr/local/bin路径(上面报错的路径),然后保存。第二步执行下面的语句:

$ source /etc/profile

        问题解决。

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