expandable

Author: ethanpalm

code.mdx

@@ -253,10 +253,9 @@ sayHello();
 ````
 
 ## Expandable
-TODO: - expandable `boolean`
-If you have a long code block and `[expandable]` after your title to make it close and expand.
+Allow users to expand and collapse long code blocks using `expandable`.
 
-```python library.py [expandable]
+```python Expandable Example expandable
 from datetime import datetime, timedelta
 from typing import Dict, List, Optional
 from dataclasses import dataclass
@@ -347,12 +346,15 @@ if __name__ == "__main__":
 ```
 
 ````md
-```javascript Expandable Example [expandable]
-const greeting = "Hello, World!";
-function sayHello() {
-  console.log(greeting);
-}
-sayHello();
+```python Expandable Example expandable
+from datetime import datetime, timedelta
+from typing import Dict, List, Optional
+from dataclasses import dataclass
+
+# ...
+
+if __name__ == "__main__":
+    main()
 ```
 ````