diff --git a/week1/week01_pa.ipynb b/week1/week01_pa.ipynb
index 822d97f..7331f40 100644
--- a/week1/week01_pa.ipynb
+++ b/week1/week01_pa.ipynb
@@ -453,9 +453,9 @@
     "# please use np.random.seed(42), eta=0.1, n_iter=100 and batch_size=4 for deterministic results\n",
     "\n",
     "np.random.seed(42)\n",
-    "w = np.array([0, 0, 0, 0, 0, 1])\n",
+    "w = np.array([0, 0, 0, 0, 0, 1.])\n",
     "\n",
-    "eta= 0.1 # learning rate\n",
+    "eta = 0.1 # learning rate\n",
     "\n",
     "n_iter = 100\n",
     "batch_size = 4\n",
@@ -541,7 +541,7 @@
    "source": [
     "# please use np.random.seed(42), eta=0.05, alpha=0.9, n_iter=100 and batch_size=4 for deterministic results\n",
     "np.random.seed(42)\n",
-    "w = np.array([0, 0, 0, 0, 0, 1])\n",
+    "w = np.array([0, 0, 0, 0, 0, 1.])\n",
     "\n",
     "eta = 0.05 # learning rate\n",
     "alpha = 0.9 # momentum\n",