refactor: move questions into their own folder for the first 5 sections

02-write-your-first-program/questions/03-run-your-first-program/README.md

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+## What's the difference between `go build` and `go run`?
+1. `go run` just compiles a program; whereas `go build` both compiles and runs it.
+2. `go run` both compiles and runs a program; whereas `go build` just compiles it. *CORRECT*
+
+> **1:** It's opposite actually.
+>
+>
+> **2:** `go run` compiles your program and puts it in a temporary directory. Then it runs the compiled program in there.
+>
+>
+
+
+## Which directory `go build` puts the compiled code into?
+1. The same directory where you call `go build` *CORRECT*
+2. $GOPATH/src directory
+3. $GOPATH/pkg directory
+4. Into a temporary directory.
+
+> **2:** There only lives Go source-code files
+>
+>
+> **3:** Go only puts your code there when you call `go install`.
+>
+>
+
+
+## Which directory `go run` puts the compiled code into?
+1. The same directory where you call `go run`
+2. $GOPATH/src directory
+3. $GOPATH/pkg directory
+4. Into a temporary directory. *CORRECT*
+
+
+## Which one below is true for runtime?
+1. It happens when your program starts running in a computer *CORRECT*
+2. It happens while your program is being compiled
+
+
+## Which one below is true for the compile-time?
+1. It happens when your program starts running in a computer
+2. It happens while your program is being compiled  *CORRECT*
+
+
+## In which stage your program can print a message to the console?
+1. While it's being compiled.
+2. While it runs (after compile-time). *CORRECT*
+3. While it runs (inside the compile-time).
+
+> **1:** In the compilation step your program cannot print a message. In that stage, it's literally dead.
+>
+>
+> **2:** That's right. That's the only time which your program can interact with a computer and instruct it to print a message to the console.
+>
+>
+> **3:** Running can only happen after the compile-time
+>
+>