diff --git a/13-loops/loops.go b/13-loops/loops.go
new file mode 100644
index 0000000..160af1d
--- /dev/null
+++ b/13-loops/loops.go
@@ -0,0 +1,52 @@
+package main
+
+import (
+	"fmt"
+)
+
+// nao se usa range em struct
+
+func main() {
+	i := 0
+
+	for i < 10 {
+		i++
+		fmt.Println("Incrementando i:", i)
+		//time.Sleep(time.Second)
+	}
+
+	fmt.Println("----------------")
+
+	for j := 0; j < 10; j++ {
+		fmt.Println("Incrementando j:", j)
+		//time.Sleep(time.Second)
+	}
+	fmt.Println("----------------")
+	nomes := [3]string{"Joao", "Davi", "Lucas"} // array
+	nomes2 := []string{"Joao", "Davi", "Lucas"} // slice
+
+	for indice, nome := range nomes {
+		fmt.Println("indice:", indice, "nome:", nome)
+	}
+
+	fmt.Println("----------------")
+	for _, nome := range nomes2 {
+		fmt.Println("nome:", nome)
+	}
+
+	fmt.Println("----------------")
+	for indice, letra := range "PALAVRA" {
+		fmt.Println(indice, " - código ASCII:", letra, " - valor:", string(letra))
+	}
+
+	fmt.Println("----------------")
+	usuario := map[string]string{
+		"nome":      "Leonardo",
+		"sobrenome": "Silva",
+	}
+
+	for chave, valor := range usuario {
+		fmt.Println(chave, valor)
+	}
+
+}