linux下python的使用一节，按照老师的操作出现如下不同输出提示，求解决办法？
m006@ubuntu:~$ sudo apt-get install ipython
[sudo] password for m006:
Sorry, try again.
[sudo] password for m006:
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
