could not get lock sorunu

furkan@furkan:~$ sudo apt-get update
Get:1http://security.ubuntu.com/ubuntu bionic-security InRelease [88,7 kB]
Hit:2http://linux.teamviewer.com/deb stable InRelease                                                        
Hit:3https://deb.opera.com/opera-stable stable InRelease                                                     
Hit:4http://repository.spotify.com stable InRelease                                                          
Hit:5http://tr.archive.ubuntu.com/ubuntu bionic InRelease                                                    
Hit:6http://ppa.launchpad.net/gezakovacs/ppa/ubuntu bionic InRelease    
Get:7http://tr.archive.ubuntu.com/ubuntu bionic-updates InRelease [88,7 kB]                        
Hit:8http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu bionic InRelease                                   
Get:9http://tr.archive.ubuntu.com/ubuntu bionic-backports InRelease [74,6 kB]                      
Hit:10http://ppa.launchpad.net/noobslab/apps/ubuntu bionic InRelease                                         
Hit:11http://ppa.launchpad.net/plushuang-tw/uget-stable/ubuntu bionic InRelease
Hit:12http://ppa.launchpad.net/stebbins/handbrake-releases/ubuntu bionic InRelease
Hit:13http://ppa.launchpad.net/ubuntuhandbook1/avidemux/ubuntu bionic InRelease
Hit:14http://ppa.launchpad.net/webupd8team/java/ubuntu bionic InRelease       
Fetched 252 kB in 3s (91,4 kB/s)                   
Reading package lists... Done

furkan@furkan:~$ sudo apt-get upgrade
E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?