Feat: Improve python demo.

Author: dylan-sutton-chavez

demo/index.html

@@ -40,8 +40,8 @@
             <textarea id="ed" 
                 class="no-scrollbar w-full bg-transparent p-2 outline-none resize-none text-[#c2c2c2] placeholder-[#404040] overflow-y-auto"
                 spellcheck="false"
-                placeholder="Type your Python code here..."
-            >print("Hello, world!")</textarea>
+                placeholder="Type your Python code here...">
+            </textarea>
         </div>
     </div>
 

demo/main.js

@@ -5,6 +5,8 @@ const WASM_SOURCES = DEV
     : ['./compiler_lib.wasm'];
 const FETCH_OPTS = DEV ? { cache: 'no-store' } : undefined;
 
+const DEFAULT_CODE = `def add(a: int, b: int) -> int:\n    return a + b\nresult: int = add(13, 20)\nprint(result)`;
+
 const CLS = { ok: 'ml-auto text-[#7daf7a]', err: 'ml-auto text-[#d67f6d]' };
 const MAX_LINES = 99;
 const $ = (id) => document.getElementById(id);
@@ -67,5 +69,7 @@ ed.addEventListener('keydown', (e) => {
 });
 ed.oninput = ed.onscroll = sync;
 
+ed.value = DEFAULT_CODE;
+
 sync();
 loadWasm();