我在colaboratory笔记本中运行以下命令。
add-apt-repository ppa:mc3man/trusty-media
最后输出以下内容：
Also note that with apt-get a sudo apt-get dist-upgrade is needed for initial setup & with some package upgrades
More info: https://launchpad.net/~mc3man/+archive/ubuntu/trusty-media
Press [ENTER] to continue or Ctrl-c to cancel adding it.
如何在单元格中输入[Enter]？
答案 0 :(得分：0)
试试这个
add-apt-repository ppa:mc3man/trusty-media -y