assign question id 145 and fix typo in tests

Author: mavleo96

…ions/XX_adagrad-optimizer/description.md …ons/145_adagrad-optimizer/description.mdquestions/XX_adagrad-optimizer/description.md renamed to questions/145_adagrad-optimizer/description.md questions/XX_adagrad-optimizer/description.md renamed to questions/145_adagrad-optimizer/description.md

@@ -1,5 +1,5 @@
 {
-  "id": "X",
+  "id": "145",
   "title": "Adagrad Optimizer",
   "difficulty": "easy",
   "category": "Deep Learning",

…stions/XX_adagrad-optimizer/example.json …tions/145_adagrad-optimizer/example.jsonquestions/XX_adagrad-optimizer/example.json renamed to questions/145_adagrad-optimizer/example.json questions/XX_adagrad-optimizer/example.json renamed to questions/145_adagrad-optimizer/example.json

@@ -5,7 +5,7 @@
   },
   {
     "test": "print(adagrad_optimizer(np.array([1., 2.]), np.array([0.1, 0.2]), np.array([1., 1.]), 0.01, 1e-8))",
-    "expected_output": "(array([0.999, 1.99804]), array([1.01, 1.04])"
+    "expected_output": "(array([0.999, 1.99804]), array([1.01, 1.04]))"
   },
   {
     "test": "print(adagrad_optimizer(np.array([1., 2.]), np.array([0., 0.2]), np.array([0., 1.]), 0.01, 1e-8))",