Added Join and improved test

py/str.go

@@ -1,6 +1,10 @@
 package py
 
-import ("fmt")
+import (
+	"fmt"
+	"strings"
+	"reflect"
+)
 
 
 func Chr(x rune) string {
@@ -14,3 +18,13 @@ func Ord(x string) rune {
 	}
 	return rune(x[0])
 }
+
+
+func Join(sep string, iter interface{}) string {
+	var list []string
+	viter := reflect.ValueOf(iter)
+	for i := 0; i < viter.Len(); i++ {
+		list = append(list, fmt.Sprintf("%v", viter.Index(i).Interface()))
+	}
+	return strings.Join(list, sep)
+}

test.go

@@ -21,7 +21,8 @@ func main(){
 		All([]interface{}{true,"",1}),
 		Min([]float64{3.14159,23.14069,2.71828}),
 		Max(-3,24,1,-23,31),
-		Input("Scrivi qualcosa: "),
+		Join(", ", []interface{}{2,-2.33,true,"hi",}),
+		//Input("Say hi! "),
 	}
-	fmt.Println(test)
+	fmt.Println(Join("\n",test))
 }