Learn how to program GUI applications using the Tkinter module that comes with Python.
Sometimes when installing a Python module with pip it returns an error like this:
error: Microsoft Visual C++ 10.0 is required (Unable to find vcvarsall.bat).
This means you need to have Microsoft's Visual C++ compiler in order to compile some C code that is included with the Python module.
The gopacket package provides a Go wrapper for libpcap written in C. It is more than just a simple wrapper though. It provides additional functionality and takes advantage of Go things like interfaces, which makes it incredibly powerful.