The error:
sudo apt-get install python-pip
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?
The error:
sudo apt-get install python-pip
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?
Probably you issued the command when the system was already running an update of some software (automatically or not). Retry when you are sure no update takes place.
If the problem persists (maybe after rebooting) you can remove the file
$ sudo rm -f /var/lib/dpkg/lock