Learned about how loops work in go, how benchmarks

work and also practice my knowledge of Examples

Iteration/repeat.go

@@ -0,0 +1,8 @@
+package iteration
+
+func Repeat(character string, repeatCount int) (repeated string) {
+	for i := 0; i < repeatCount; i++ {
+		repeated += character
+	}
+	return
+}

Iteration/repeat_test.go

@@ -0,0 +1,29 @@
+package iteration
+
+import (
+	"fmt"
+	"testing"
+)
+
+func Test_Repeater(t *testing.T) {
+	repeated := Repeat("a", 5)
+	expected := "aaaaa"
+	if repeated != expected {
+		t.Errorf("expected %q but got %q", expected, repeated)
+	}
+}
+
+// go test -bench="." to run benchmarks
+// Benchmarks essentially allow us to gauge on average how fast our program runs!
+func BenchmarkRepeat(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		Repeat("a", 5)
+	}
+
+}
+
+func ExampleRepeat() {
+	repeat := Repeat("a", 7)
+	fmt.Println(repeat)
+	//Output: aaaaaaa
+}