diff --git a/golang-basic/latihan/01-casperwein.go b/golang-basic/latihan/01-casperwein.go
new file mode 100644
index 0000000..b16b166
--- /dev/null
+++ b/golang-basic/latihan/01-casperwein.go
@@ -0,0 +1,21 @@
+package main
+
+import "fmt"
+
+func main() {
+	pol1 := "madam"
+	pol2 := "kuda"
+
+	fmt.Println(Polindrom(pol1)) // true
+	fmt.Println(Polindrom(pol2)) // false
+}
+
+func Polindrom(pol string) bool {
+	len := len(pol)
+	for i := 0; i < len/2; i++ {
+		if pol[i] != pol[len-i-1] {
+			return false
+		}
+	}
+	return true
+}
diff --git a/golang-basic/latihan/02-casperwein.go b/golang-basic/latihan/02-casperwein.go
new file mode 100644
index 0000000..78ebe12
--- /dev/null
+++ b/golang-basic/latihan/02-casperwein.go
@@ -0,0 +1,16 @@
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println(isKonsonan("a"))
+	fmt.Println(isKonsonan("h"))
+}
+
+func isKonsonan(h string) string {
+	if h == "a" || h == "i" || h == "u" || h == "e" || h == "o" {
+		return "vokal"
+	} else {
+		return "konsonan"
+	}
+}
diff --git a/golang-basic/latihan/test.go b/golang-basic/latihan/test.go
deleted file mode 100644
index 06ab7d0..0000000
--- a/golang-basic/latihan/test.go
+++ /dev/null
@@ -1 +0,0 @@
-package main