diff --git a/refactoring.ipynb b/refactoring.ipynb
index e2c178a..184c1f5 100644
--- a/refactoring.ipynb
+++ b/refactoring.ipynb
@@ -100,6 +100,15 @@
     "$$"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%autoreload 2"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {
@@ -113,13 +122,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
     }
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "7"
+      ]
+     },
+     "execution_count": 1,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "a = (1, 1)\n",
     "b = (4, 5)\n",
@@ -159,7 +179,12 @@
    },
    "outputs": [],
    "source": [
-    "# YOUR CODE HERE"
+    "def manhattan(a, b):\n",
+    "    d_x = b[0] - a[0]\n",
+    "    d_y = b[1] - a[1]\n",
+    "\n",
+    "    distance = d_x + d_y\n",
+    "    return distance"
    ]
   },
   {
@@ -171,9 +196,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "7"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "a = (1, 1)\n",
     "b = (4, 5)\n",
@@ -204,13 +240,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 26,
    "metadata": {
     "slideshow": {
      "slide_type": "fragment"
     }
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "7"
+      ]
+     },
+     "execution_count": 26,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "from utils.distances import manhattan\n",
     "\n",
@@ -226,7 +273,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -244,9 +291,38 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 28,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "\u001b[1m============================= test session starts ==============================\u001b[0m\n",
+      "platform linux -- Python 3.12.9, pytest-8.3.4, pluggy-1.5.0 -- /home/bariscan/.pyenv/versions/3.12.9/envs/workintech/bin/python\n",
+      "cachedir: .pytest_cache\n",
+      "rootdir: /home/bariscan/code/Workintech/data-distances/tests\n",
+      "plugins: typeguard-4.4.2, dash-4.0.0, anyio-4.8.0\n",
+      "\u001b[1mcollecting ... \u001b[0mcollected 2 items\n",
+      "\n",
+      "test_manhattan_from_notebook.py::TestManhattanFromNotebook::test_manhattan \u001b[32mPASSED\u001b[0m\u001b[32m [ 50%]\u001b[0m\n",
+      "test_manhattan_from_notebook.py::TestManhattanFromNotebook::test_manhattan_reverse \u001b[32mPASSED\u001b[0m\u001b[32m [100%]\u001b[0m\n",
+      "\n",
+      "\u001b[32m============================== \u001b[32m\u001b[1m2 passed\u001b[0m\u001b[32m in 0.01s\u001b[0m\u001b[32m ===============================\u001b[0m\n",
+      "\n",
+      "\n",
+      "💯 You can commit your code:\n",
+      "\n",
+      "\u001b[1;32mgit\u001b[39m add tests/manhattan_from_notebook.pickle\n",
+      "\n",
+      "\u001b[32mgit\u001b[39m commit -m \u001b[33m'Completed manhattan_from_notebook step'\u001b[39m\n",
+      "\n",
+      "\u001b[32mgit\u001b[39m push origin master\n",
+      "\n"
+     ]
+    }
+   ],
    "source": [
     "print(result.check())"
    ]
@@ -266,9 +342,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 29,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Distance between a and b: 7\n",
+      "Distance between b and a: 7\n"
+     ]
+    }
+   ],
    "source": [
     "print(\"Distance between a and b:\", manhattan(a,b))\n",
     "print(\"Distance between b and a:\", manhattan(b,a))"
@@ -778,9 +863,21 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "workintech",
    "language": "python",
    "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.12.9"
   }
  },
  "nbformat": 4,
diff --git a/tests/manhattan_from_notebook.pickle b/tests/manhattan_from_notebook.pickle
new file mode 100644
index 0000000..09eb139
Binary files /dev/null and b/tests/manhattan_from_notebook.pickle differ
diff --git a/tests/test_euclidean.py b/tests/test_euclidean.py
new file mode 100644
index 0000000..02d81ce
--- /dev/null
+++ b/tests/test_euclidean.py
@@ -0,0 +1,11 @@
+from utils.distances import euclidean
+
+def test_euclidean():
+    # Temel senaryolar
+    assert euclidean((0, 0), (0, 0)) == 0
+    assert euclidean((0, 0), (3, 4)) == 5  # 3-4-5 üçgeni
+    assert euclidean((0, 0), (1, 0)) == 1
+
+    # Negatif değer senaryoları
+    assert euclidean((0, 0), (-3, -4)) == 5
+    assert euclidean((3, 4), (0, 0)) == 5
diff --git a/tests/test_manhattan.py b/tests/test_manhattan.py
index 45cabc8..99d3c16 100644
--- a/tests/test_manhattan.py
+++ b/tests/test_manhattan.py
@@ -4,9 +4,5 @@ def test_manhattan():
     assert manhattan((0, 0), (0, 0)) == 0
     assert manhattan((0, 0), (1, 1)) == 2
     assert manhattan((0, 0), (1, 0)) == 1
-    assert manhattan((0, 0), (0, 1)) == 1
     assert manhattan((0, 0), (-1, 0)) == 1
-    assert manhattan((0, 0), (0, -1)) == 1
     assert manhattan((0, 0), (-1, -1)) == 2
-    assert manhattan((0, 0), (1, -1)) == 2
-    assert manhattan((0, 0), (-1, 1)) == 2
diff --git a/utils/distances.py b/utils/distances.py
index 86dee54..ed7fd2c 100644
--- a/utils/distances.py
+++ b/utils/distances.py
@@ -1 +1,15 @@
-pass  # YOUR CODE HERE
+def minkowski(a, b, p):
+    d_x = b[0] - a[0]
+    d_y = b[1] - a[1]
+
+    # Genel Minkowski formülü: (|dx|^p + |dy|^p)^(1/p)
+    distance = (abs(d_x)**p + abs(d_y)**p)**(1/p)
+    return distance
+
+def manhattan(a, b):
+    # p=1 durumu
+    return minkowski(a, b, 1)
+
+def euclidean(a, b):
+    # p=2 durumu
+    return minkowski(a, b, 2)