little fixes

00_intro.ipynb

@@ -5,7 +5,7 @@
    "id": "3b60ae9e-f5a7-48f5-93dc-790467444b39",
    "metadata": {},
    "source": [
-    "### Введение."
+    "# Введение."
    ]
   },
   {
@@ -126,7 +126,7 @@
    "id": "4adb843f-ccde-49ac-8b58-18ec9b3e3d87",
    "metadata": {},
    "source": [
-    "### Задания."
+    "# Задания."
    ]
   },
   {

02_type_casting.ipynb

@@ -0,0 +1,49 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "0f288288-81de-4672-b4b7-8faf79c66ff8",
+   "metadata": {},
+   "source": [
+    "# Type Casting"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "b5e77c64-3ca8-4bcb-ac43-c6a1e404421c",
+   "metadata": {},
+   "source": [
+    "**Type Casting** (*или приведение переменных*) - это процесс конвертации переменной из одного типа данных в другой. "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "12216e6b-231e-4346-a47f-ab1292210565",
+   "metadata": {},
+   "source": [
+    "# Задания"
+   ]
+  }
+ ],
+ "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
+}