Add compliant and noncompliant examples of python/[email protected]

src/python/detectors/notebook_variable_redefinition/notebook_variable_redefinition_compliant.ipynb

@@ -0,0 +1,84 @@
+{
+ "cells": [
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "####  Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n",
+    "####  SPDX-License-Identifier: Apache-2.0"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# {fact [email protected] defects=0}\n",
+    "import math\t"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "x = int(input('x:'))\n",
+    "y = int(input('y:'))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "z = '5'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "z: 44.64302857109943\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Compliant: even though there are 2 different types assigned to variable `z`, it is only used within the same cells.\n",
+    "z = math.sqrt(x**2 + y**2)\n",
+    "print ('z:', z)\n",
+    "# {/fact}"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "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": "3.10.8"
+  },
+  "orig_nbformat": 4
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}

src/python/detectors/notebook_variable_redefinition/notebook_variable_redefinition_noncompliant.ipynb

@@ -0,0 +1,93 @@
+{
+ "cells": [
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "####  Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\n",
+    "####  SPDX-License-Identifier: Apache-2.0"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# {fact [email protected] defects=1}\n",
+    "import math"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "x = int(input('x:'))\n",
+    "y = int(input('y:'))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "z = '5'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "z = math.sqrt(x**2 + y**2)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "z: 34.17601498127012\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Noncompliant: variable `z` is assigned to 2 different types of values in above cells 3 and 4. \n",
+    "# Then in cell 5, the value of `z` is used in a `print()` call.\n",
+    "print ('z:', z)\n",
+    "# {/fact}"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "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": "3.10.8"
+  },
+  "orig_nbformat": 4
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}