Update app.py

app.py

@@ -133,6 +133,7 @@ def generate(
 
 
 examples = [
+    "class HelloWorld {",
     "X_train, y_train, X_test, y_test = train_test_split(X, y, test_size=0.1)\n\n# Train a logistic regression model, predict the labels on the test set and compute the accuracy score",
     "// Returns every other value in the array as a new array.\nfunction everyOther(arr) {",
     "def alternating(list1, list2):\n   results = []\n   for i in range(min(len(list1), len(list2))):\n       results.append(list1[i])\n       results.append(list2[i])\n   if len(list1) > len(list2):\n       <FILL_HERE>\n   else:\n       results.extend(list2[i+1:])\n   return results",