Added default snippet

app.py

@@ -12,8 +12,7 @@ init_session_state()
 st.title("Pro Code Playground")
 st.markdown("Write, execute & export multi-language snippets, with built‑in AI assistance.")
 
-# Row for language selector + theme toggle
-lang_col, spacer, theme_col = st.columns([3, 6, 1])
+# Language selector
 with lang_col:
     lang = st.selectbox(
         "Language",
@@ -22,6 +21,20 @@ with lang_col:
         key="language"
     )
 
+# Load default code if editor is empty
+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}'''
+}
+
+if st.session_state.code.strip() == "":
+    st.session_state.code = DEFAULT_SNIPPETS.get(lang, "")
+
+
 with theme_col:
     theme_choice = st.radio("Theme", options=["☀️", "🌙"], horizontal=True, label_visibility="collapsed")
     st.session_state.dark_mode = (theme_choice == "🌙")