1.**Print your name and your best friend's name** using Println twice. [Check out this exercise here](https://github.com/inancgumus/learngo/tree/master/02-write-your-first-program/exercises/01-print-names).
2.**Print your GOPATH** using `go env` tool. [Check out this exercise here](https://github.com/inancgumus/learngo/tree/master/02-write-your-first-program/exercises/02-print-gopath).
S/he should use be using the same operating system.
For example, if you're using Windows, then hers/his should be Windows as well.
3.**Send your program to a friend with a different operating system**
So, you should compile your program for her operating system.
**For OSX, type:**
`GOOS=darwin GOARCH=386 go build`
**For Windows:**
`GOOS=windows GOARCH=386 go build`
**For Linux:**
`GOOS=linux GOARCH=arm GOARM=7 go build`
**You can find the full list in here:**
https://golang.org/doc/install/source#environment
4.**Call [Print](https://golang.org/pkg/fmt/#Print) instead of [Println](https://golang.org/pkg/fmt/#Println)** to see what happens.
5.**Call [Println](https://golang.org/pkg/fmt/#Println) or [Print](https://golang.org/pkg/fmt/#Print) with multiple values** by separating them using commas.
6.**Remove the double quotes from a string literal**and see what happens.
7.**Move the package and import statement** to the bottom of the file and see what happens.
8.**[Read Go online documentation](https://golang.org/pkg)**.
1. Take a quick look at the packages and read what they do.
2. Look at their source-code by clicking on their titles.
3. You don't have to understand everything, just do it.This will warm you up for the upcoming lectures.
9. Also, **take a tour on**: https://tour.golang.org/
1. Have a quick look. Check out the language features.