update book code

eBook/exercises/chapter_5/for_character.go

@@ -1,17 +1,17 @@
-package main
-
-func main() {
-	// 1 - use 2 nested for loops
-	for i:=1; i <= 25; i++ {
-		for j:=1; j <=i; j++ {
-			print("G")
-		}
-		println()
-	}
-	// 2 -  use only one for loop and string concatenation
-	str := "G"
-	for i:=1; i <= 25; i++ {
-		println(str)
-		str += "G"
-	}	
+package main
+
+func main() {
+	// 1 - use 2 nested for loops
+	for i:=1; i <= 25; i++ {
+		for j:=1; j <=i; j++ {
+			print("G")
+		}
+		println()
+	}
+	// 2 -  use only one for loop and string concatenation
+	str := "G"
+	for i:=1; i <= 25; i++ {
+		println(str)
+		str += "G"
+	}	
 }