Kill process that is taking specific port

Is is possible to programatically select process that is taking a specific port (:3000 for example) and kill it ?

I do that by hand now by using

netstat -tp

and then I would check pid of a process and kill it using kill command.

I want to write a shell script that would do that automatically.

Copyright Notice：Content Author:「Kunok」，Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article：https://stackoverflow.com/questions/41523255/kill-process-that-is-taking-specific-port

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