add tests

Author: komaksym

questions/190_gradient-accumulation/tests.json

@@ -1,6 +1,22 @@
 [
   {
-    "test": "print(your_function(...))",
-    "expected_output": "..."
+    "test": "import numpy as np\ngrad_list = [np.array([1.0, 2.0]), np.array([3.0, 4.0]), np.array([5.0, 6.0])]\nprint(accumulate_gradients(grad_list))",
+    "expected_output": "[ 9. 12.]"
+  },
+  {
+    "test": "import numpy as np\ngrad_list = [np.array([0.0, 0.0]), np.array([0.0, 0.0])]\nprint(accumulate_gradients(grad_list))",
+    "expected_output": "[0. 0.]"
+  },
+  {
+    "test": "import numpy as np\ngrad_list = [np.array([1.5, -2.5]), np.array([-1.5, 2.5])]\nprint(accumulate_gradients(grad_list))",
+    "expected_output": "[0. 0.]"
+  },
+  {
+    "test": "import numpy as np\ngrad_list = [np.array([10.0]), np.array([20.0]), np.array([30.0])]\nprint(accumulate_gradients(grad_list))",
+    "expected_output": "[60.]"
+  },
+  {
+    "test": "import numpy as np\ngrad_list = [np.array([1.0, 2.0, 3.0]), np.array([4.0, 5.0, 6.0])]\nprint(accumulate_gradients(grad_list))",
+    "expected_output": "[5. 7. 9.]"
   }
 ]