Add comment in default code

app.py

@@ -14,12 +14,12 @@ st.markdown("Write, execute & export multi-language snippets, with built‑in AI
 
 # Define default code snippets
 DEFAULT_SNIPPETS = {
-    "Python": '''a = int(input())\nb = int(input())\nprint("Sum:", a + b)''',
-    "C": '''#include <stdio.h>\nint main() {\n    int a, b;\n    scanf("%d %d", &a, &b);\n    printf("Sum: %d\\n", a + b);\n    return 0;\n}''',
-    "C++": '''#include <iostream>\nusing namespace std;\nint main() {\n    int a, b;\n    cin >> a >> b;\n    cout << "Sum: " << a + b << endl;\n    return 0;\n}''',
-    "Java": '''import java.util.Scanner;\npublic class Program {\n    public static void main(String[] args) {\n        Scanner sc = new Scanner(System.in);\n        int a = sc.nextInt();\n        int b = sc.nextInt();\n        System.out.println("Sum: " + (a + b));\n    }\n}''',
-    "JavaScript": '''const readline = require('readline');\nconst rl = readline.createInterface({ input: process.stdin, output: process.stdout });\nlet inputs = [];\nrl.on('line', (line) => {\n  inputs.push(parseInt(line));\n  if (inputs.length === 2) {\n    console.log("Sum:", inputs[0] + inputs[1]);\n    rl.close();\n  }\n});''',
-    "C#": '''using System;\npublic class Program {\n    public static void Main(string[] args) {\n        int a = Convert.ToInt32(Console.ReadLine());\n        int b = Convert.ToInt32(Console.ReadLine());\n        Console.WriteLine("Sum: " + (a + b));\n    }\n}'''
+    "Python": '''# default code\na = int(input())\nb = int(input())\nprint("Sum:", a + b)''',
+    "C": '''// default code\n#include <stdio.h>\nint main() {\n    int a, b;\n    scanf("%d %d", &a, &b);\n    printf("Sum: %d\\n", a + b);\n    return 0;\n}''',
+    "C++": '''// default code\n#include <iostream>\nusing namespace std;\nint main() {\n    int a, b;\n    cin >> a >> b;\n    cout << "Sum: " << a + b << endl;\n    return 0;\n}''',
+    "Java": '''// default code\nimport java.util.Scanner;\npublic class Program {\n    public static void main(String[] args) {\n        Scanner sc = new Scanner(System.in);\n        int a = sc.nextInt();\n        int b = sc.nextInt();\n        System.out.println("Sum: " + (a + b));\n    }\n}''',
+    "JavaScript": '''// default code\nconst readline = require('readline');\nconst rl = readline.createInterface({ input: process.stdin, output: process.stdout });\nlet inputs = [];\nrl.on('line', (line) => {\n  inputs.push(parseInt(line));\n  if (inputs.length === 2) {\n    console.log("Sum:", inputs[0] + inputs[1]);\n    rl.close();\n  }\n});''',
+    "C#": '''// default code\nusing System;\npublic class Program {\n    public static void Main(string[] args) {\n        int a = Convert.ToInt32(Console.ReadLine());\n        int b = Convert.ToInt32(Console.ReadLine());\n        Console.WriteLine("Sum: " + (a + b));\n    }\n}'''
 }
 
 # Language + Theme selection