learngo/03-packages-and-scopes/questions/01-packages-A/README.md

## Where to store the source code files that belong to a package?
1. Each file should go into a different directory
2. In a single directory *CORRECT*


## Why a package clause is used in a Go source-code file?
1. It's used for importing a package
2. It's used for letting Go know that the file belongs to a package *CORRECT*
3. It's used for declaring a new function

> **1:** `import` statement does that.
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> **3:** `func` statement does that.
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## Where you should put the `package clause` in a Go source-code file?
1. As the first code in a Go source code file *CORRECT*
2. As the last code in a Go source code file
3. You can put it anywhere


## How many times you can use `package clause` for a single source code file?
1. Once *CORRECT*
2. None
3. Multiple times


## Which one is a correct usage of `package clause`?
1. `my package`
2. `package main`
3. `pkg main`


## Which one is correct?
1. All files belong to the same package cannot call each others' functions
2. All files belong to the same package can call each others' functions *CORRECT*


## How to run multiple Go files?
1. go run *.*go
2. go build *go
3. go run go
4. go run *.go *CORRECT*

> **4:** You can also call it like (assuming there are file1.go file2.go and file3.go in the same directory): go run file1.go file2.go file3.go
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