Do ex for week 41

pyproject.toml

@@ -3,6 +3,7 @@ name = "lecture-materials"
 version = "0.1.0"
 requires-python = ">=3.13"
 dependencies = [
+    "autograd>=1.8.0",
     "ipykernel>=6.30.1",
     "jupyter>=1.1.1",
     "matplotlib>=3.10.5",

uv.lock

@@ -161,6 +161,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/77/06/bb80f5f86020c4551da315d78b3ab75e8228f89f0162f2c3a819e407941a/attrs-25.3.0-py3-none-any.whl", hash = "sha256:427318ce031701fea540783410126f03899a97ffc6f61596ad581ac2e40e3bc3", size = 63815, upload-time = "2025-03-13T11:10:21.14Z" },
 ]
 
+[[package]]
+name = "autograd"
+version = "1.8.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "numpy" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/67/1c/3c24ec03c8ba4decc742b1df5a10c52f98c84ca8797757f313e7bdcdf276/autograd-1.8.0.tar.gz", hash = "sha256:107374ded5b09fc8643ac925348c0369e7b0e73bbed9565ffd61b8fd04425683", size = 2562146, upload-time = "2025-05-05T12:49:02.502Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/84/ea/e16f0c423f7d83cf8b79cae9452040fb7b2e020c7439a167ee7c317de448/autograd-1.8.0-py3-none-any.whl", hash = "sha256:4ab9084294f814cf56c280adbe19612546a35574d67c574b04933c7d2ecb7d78", size = 51478, upload-time = "2025-05-05T12:49:00.585Z" },
+]
+
 [[package]]
 name = "babel"
 version = "2.17.0"
@@ -1012,6 +1024,7 @@ name = "lecture-materials"
 version = "0.1.0"
 source = { virtual = "." }
 dependencies = [
+    { name = "autograd" },
     { name = "ipykernel" },
     { name = "jupyter" },
     { name = "matplotlib" },
@@ -1024,6 +1037,7 @@ dependencies = [
 
 [package.metadata]
 requires-dist = [
+    { name = "autograd", specifier = ">=1.8.0" },
     { name = "ipykernel", specifier = ">=6.30.1" },
     { name = "jupyter", specifier = ">=1.1.1" },
     { name = "matplotlib", specifier = ">=3.10.5" },