4 files changed, 59 insertions, 7 deletions
diff --git a/exercises/primitive_types/primitive_types2/main.go b/exercises/primitive_types/primitive_types2/main.go
new file mode 100644
index 0000000..3350a4b
--- /dev/null
+++ b/exercises/primitive_types/primitive_types2/main.go
@@ -0,0 +1,11 @@
+// primitive_types2
+// Make me compile!
+
+// I AM NOT DONE
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Printf("Hello, %s\n", who) // '%s' is used to format strings
+}
diff --git a/exercises/primitive_types/primitive_types3/main.go b/exercises/primitive_types/primitive_types3/main.go
new file mode 100644
index 0000000..e73b5e4
--- /dev/null
+++ b/exercises/primitive_types/primitive_types3/main.go
@@ -0,0 +1,11 @@
+// primitive_types3
+// Make me compile!
+
+// I AM NOT DONE
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Printf("Hello, %s\n", who)
+}
diff --git a/exercises/primitive_types/primitive_types4/main.go b/exercises/primitive_types/primitive_types4/main.go
new file mode 100644
index 0000000..a4180ca
--- /dev/null
+++ b/exercises/primitive_types/primitive_types4/main.go
@@ -0,0 +1,15 @@
+// primitive_types3
+// Make me compile!
+
+// I AM NOT DONE
+package main
+
+import "fmt"
+
+func main() {
+	var b1 byte = 110
+	fmt.Println("byte value for b1:", b1)
+
+	var b2 byte = ''
+	fmt.Println("representation for b2:", b2)
+}
diff --git a/info.toml b/info.toml
index d8c9de6..fe87134 100644
--- a/info.toml
+++ b/info.toml
@@ -73,15 +73,13 @@ Functions that return values must have return types declared in the function sig
 name = "if1"
 path = "exercises/if/if1/main_test.go"
 mode = "test"
-hint = """
-"""
+hint = "No hints this time"
 
 [[exercises]]
 name = "if2"
 path = "exercises/if/if2/main_test.go"
 mode = "test"
-hint = """
-"""
+hint = "No hints this time"
 
 [[exercises]]
 name = "switch1"
@@ -101,12 +99,29 @@ Switch without a condition is possible, but that case statement needs a boolean
 name = "switch3"
 path = "exercises/switch/switch3/main_test.go"
 mode = "test"
-hint = """
-"""
+hint = "No hints this time"
 
 [[exercises]]
 name = "primitive_types1"
 path = "exercises/primitive_types/primitive_types1/main.go"
 mode = "compile"
+hint = "No hints this time"
+
+[[exercises]]
+name = "primitive_types2"
+path = "exercises/primitive_types/primitive_types2/main.go"
+mode = "compile"
+hint = "No hints this time"
+
+[[exercises]]
+name = "primitive_types3"
+path = "exercises/primitive_types/primitive_types3/main.go"
+mode = "compile"
+hint = "'%s' is used to format strings"
+
+[[exercises]]
+name = "primitive_types4"
+path = "exercises/primitive_types/primitive_types4/main.go"
+mode = "compile"
 hint = """
-"""
+byte can hold from 0 to 255. Could it store a character?"""