Check this post. This article explains how to install packages in GNU-Octave. It has all the necessary commands as well. https://www.scivision.co/gnu-octave-install-packages/
Hey, check this nice article about Go programming language! This article is not a tutorial for go programming language. But, it gives you an insight about go programming language. Link : https://medium.com/@kevalpatel2106/why-should-you-learn-go-f607681fad65
Select your favorite Arduino board and connect the LED into PB0 (PORTB pin 0). Refer the Pinout diagram of your arduino to find the proper pin (here it is the digital 8 pin). Next you can use the usual arduino IDE to upload the AVR C codes as well. Open the Arduino IDE and delete the all the existing codes and type the following code and upload the code into arduino.