refactor: 6th section first two lectures exercises and questions

06-variables/02-declarations/exercises/01-int/main.go

@@ -8,9 +8,11 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
-//  1- Declare and print a variable with an int type
-//  2- The declared variable's name should be: height
+// EXERCISE: Declare int
+//
+//  1. Declare and print a variable with an int type
+//
+//  2. The declared variable's name should be: height
 //
 // EXPECTED OUTPUT
 //  0

06-variables/02-declarations/exercises/02-bool/main.go

@@ -8,9 +8,11 @@
 package main
 
 // ---------------------------------------------------------
-// OPTIONAL EXERCISE
-//  1- Declare and print a bool variable
-//  2- The variable's name should be: isOn
+// EXERCISE: Declare bool
+//
+//  1. Declare and print a bool variable
+//
+//  2. The variable's name should be: isOn
 //
 // EXPECTED OUTPUT
 //  false

06-variables/02-declarations/exercises/03-float64/main.go

@@ -8,9 +8,11 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
-//  1- Declare and print a variable with a float64 type
-//  2- The declared variable's name should be: brightness
+// EXERCISE: Declare float64
+//
+//  1. Declare and print a variable with a float64 type
+//
+//  2. The declared variable's name should be: brightness
 //
 // EXPECTED OUTPUT
 //  0

06-variables/02-declarations/exercises/04-string/main.go

@@ -8,9 +8,11 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
-//  1- Declare a string variable
-//  2- Print that variable
+// EXERCISE: Declare string
+//
+//  1. Declare a string variable
+//
+//  2. Print that variable
 //
 // EXPECTED OUTPUT
 //  ""

06-variables/02-declarations/exercises/05-undeclarables/main.go

@@ -8,8 +8,9 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
-//  1- Declare the variables below:
+// EXERCISE: Undeclarables
+//
+//  1. Declare the variables below:
 //      3speed
 //      !speed
 //      spe?ed
@@ -17,10 +18,10 @@ package main
 //      func
 //      package
 //
-//  2- Observe the error messages
+//  2. Observe the error messages
 //
 // NOTE
-//   The types of the variables are not important.
+//  The types of the variables are not important.
 // ---------------------------------------------------------
 
 func main() {

06-variables/02-declarations/exercises/06-with-bits/main.go

@@ -8,8 +8,9 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
-//  1- Declare a few variables using the following types
+// EXERCISE: Declare with bits
+//
+//  1. Declare a few variables using the following types
 //    int
 //    int8
 //    int16
@@ -24,8 +25,9 @@ package main
 //    rune
 //    byte
 //
-// 2- Observe their output
-// 3- After you've done, check out the solution
+// 2. Observe their output
+//
+// 3. After you've done, check out the solution
 //    and read the comments there
 //
 // EXPECTED OUTPUT

06-variables/02-declarations/exercises/07-multiple/main.go

@@ -8,7 +8,8 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
+// EXERCISE: Multiple
+//
 //  1. Declare two variables using
 //     multiple variable declaration statement
 //

06-variables/02-declarations/exercises/08-multiple-2/main.go

@@ -8,7 +8,8 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
+// EXERCISE: Multiple #2
+//
 //  1. Declare and initialize two string variables
 //     using multiple variable declaration
 //

06-variables/02-declarations/exercises/09-unused/main.go

@@ -8,10 +8,13 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
-//  1- Declare a variable
-//  2- Variable's name should be: isLiquid
-//  3- Discard it using a blank-identifier
+// EXERCISE: Unused
+//
+//  1. Declare a variable
+//
+//  2. Variable's name should be: isLiquid
+//
+//  3. Discard it using a blank-identifier
 //
 // NOTE
 //  Do not print the variable

06-variables/02-declarations/exercises/10-package-variable/main.go

@@ -8,10 +8,11 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
-//  1- Declare a variable in the package-scope
+// EXERCISE: Package Variable
 //
-//  2- Observe whether something happens when you don't
+//  1. Declare a variable in the package-scope
+//
+//  2. Observe whether something happens when you don't
 //     use it
 // ---------------------------------------------------------
 

06-variables/02-declarations/exercises/11-wrong-doer/main.go

@@ -8,11 +8,14 @@
 package main
 
 // ---------------------------------------------------------
-// EXERCISE
-//  1- Print a variable
-//  2- Then declare it
+// EXERCISE: Wrong doer
+//
+//  1. Print a variable
+//
+//  2. Then declare it
 //  (This means: Try to print it before its declaration)
-//  3- Observe the error
+//
+//  3. Observe the error
 // ---------------------------------------------------------
 
 func main() {

06-variables/02-declarations/exercises/README.md

@@ -0,0 +1,25 @@
+# Declare and Print Variables
+
+Warm up. Declare a few variables and get some experience. Get used to the variable declaration syntax.
+
+1. **[Declare int](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/01-int)**
+
+2. **[Declare bool](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/02-bool)**
+
+3. **[Declare float64](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/03-float64)**
+
+4. **[Declare string](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/04-string)**
+
+5. **[Declare undeclarables](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/05-undeclarables)**
+
+6. **[Declare with bits](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/06-with-bits)**
+
+7. **[Declare multiple](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/07-multiple)**
+
+8. **[Declare multiple 2](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/08-multiple-2)**
+
+9. **[Declare an unused variable](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/09-unused)**
+
+10. **[Declare a package variable](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/10-package-variable)**
+
+11. **[Use before declare](https://github.com/inancgumus/learngo/tree/master/06-variables/02-declarations/exercises/11-wrong-doer)**