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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "6541d0bd-4ae9-4733-809e-b4906d27ed7b",
+   "metadata": {
+    "editable": true,
+    "slideshow": {
+     "slide_type": ""
+    },
+    "tags": []
+   },
+   "source": [
+    "# Introduction to Python\n",
+    "\n",
+    "Welcome to the course notebook.\n",
+    "\n",
+    "In this lesson you will learn:\n",
+    "\n",
+    "- Variables\n",
+    "- Loops\n",
+    "- Functions\n",
+    "- Basic problem solving\n",
+    "\n",
+    "Run each code cell and experiment with the examples."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "a560e020-204c-4edc-92d2-1149d05270a5",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "name = \"Alice\"\n",
+    "age = 21\n",
+    "\n",
+    "print(f\"Hello {name}, you are {age} years old.\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "9d40ccd6-428c-4522-8b1a-d37807cde3cd",
+   "metadata": {},
+   "source": [
+    "## Loops\n",
+    "\n",
+    "Loops allow us to repeat actions."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "9272f123-5534-465f-b12e-6a6183d0d895",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "for i in range(5):\n",
+    "    print(f\"Iteration {i}\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "da7dfea9-60c1-4a2e-b664-a41c0e5aa5f1",
+   "metadata": {},
+   "source": [
+    "## Functions\n",
+    "\n",
+    "Functions help organize code into reusable blocks."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "c3b50329-b0f4-4a60-832d-65b003377838",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def square(x):\n",
+    "    return x * x\n",
+    "\n",
+    "square(5)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "87d1c1e8-9cfc-4a0e-8754-5c46f18e4417",
+   "metadata": {},
+   "source": [
+    "## Exercise\n",
+    "\n",
+    "Create a function called `cube(x)` that returns the cube of a number.\n",
+    "\n",
+    "Test it with:\n",
+    "\n",
+    "```python\n",
+    "cube(3)\n",
+    "```\n",
+    "\n",
+    "Expected result:\n",
+    "27"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "06d41b40-c13c-483d-b12e-403fde15d1c8",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def cube(x):\n",
+    "    return x ** 3\n",
+    "\n",
+    "cube(3)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "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": "3.11.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}