diff --git a/iteration/iter.go b/iteration/iter.go
new file mode 100644
index 0000000..1de0fc3
--- /dev/null
+++ b/iteration/iter.go
@@ -0,0 +1,12 @@
+package iteration
+
+const repeatTime = 5
+
+// Repeat takes a string and repeat it 5 times
+func Repeat(s string) string {
+	var res string
+	for i := 0; i < repeatTime; i++ {
+		res += s
+	}
+	return res
+}
diff --git a/iteration/iter_test.go b/iteration/iter_test.go
new file mode 100644
index 0000000..fd7d5e6
--- /dev/null
+++ b/iteration/iter_test.go
@@ -0,0 +1,12 @@
+package iteration
+
+import "testing"
+
+func TestRepeat(t *testing.T) {
+	repeated := Repeat("a")
+	expected := "aaaaa"
+
+	if repeated != expected {
+		t.Errorf("expected %q but got %q", expected, repeated)
+	}
+}