fixed function def report. Now the loss values are correctly updated

Author: the-oeni

site/en/guide/basic_training_loops.ipynb

@@ -355,7 +355,7 @@
         "\n",
         "# Define a training loop\n",
         "def report(model, loss):\n",
-        "  return f\"W = {model.w.numpy():1.2f}, b = {model.b.numpy():1.2f}, loss={current_loss:2.5f}\"\n",
+        "  return f\"W = {model.w.numpy():1.2f}, b = {model.b.numpy():1.2f}, loss={loss:2.5f}\"\n",
         "\n",
         "\n",
         "def training_loop(model, x, y):\n",