diff --git a/03_conditionals/03_summary.ipynb b/03_conditionals/03_summary.ipynb
new file mode 100644
index 0000000..86c8468
--- /dev/null
+++ b/03_conditionals/03_summary.ipynb
@@ -0,0 +1,76 @@
+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {
+ "slideshow": {
+ "slide_type": "slide"
+ }
+ },
+ "source": [
+ "# Chapter 3: Conditionals & Exceptions (TL;DR)"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {
+ "slideshow": {
+ "slide_type": "skip"
+ }
+ },
+ "source": [
+ "- **boolean expressions** evaluate to either `True` or `False`\n",
+ "- **relational operators** (e.g., `==` or `!=`) compare operands according to \"human\" interpretations\n",
+ "- **logical operators** (e.g., `and` )combine boolean sub-expressions to more \"complex\" expressions\n",
+ "- the **conditional statement** (i.e., the `if` statement) allows **controlling** the **flow of execution** depending on some **conditions**\n",
+ "- a **conditional expression** is a short form of a conditional statement\n",
+ "- **exception handling** is also a common way of **controlling** the **flow of execution**, in particular, if we have to be prepared for bad input data"
+ ]
+ }
+ ],
+ "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": "3.8.6"
+ },
+ "livereveal": {
+ "auto_select": "code",
+ "auto_select_fragment": true,
+ "scroll": true,
+ "theme": "serif"
+ },
+ "toc": {
+ "base_numbering": 1,
+ "nav_menu": {},
+ "number_sections": false,
+ "sideBar": true,
+ "skip_h1_title": true,
+ "title_cell": "Table of Contents",
+ "title_sidebar": "Contents",
+ "toc_cell": false,
+ "toc_position": {
+ "height": "calc(100% - 180px)",
+ "left": "10px",
+ "top": "150px",
+ "width": "384px"
+ },
+ "toc_section_display": false,
+ "toc_window_display": false
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}
diff --git a/README.md b/README.md
index b9acb26..3390a5e 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,7 @@ Alternatively, the content can be viewed in a web browser
- [exercises
](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/develop/03_conditionals/02_exercises.ipynb)
[
](https://mybinder.org/v2/gh/webartifex/intro-to-python/develop?urlpath=lab/tree/03_conditionals/02_exercises.ipynb)
(Fizz Buzz)
+ - [summary
](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/develop/03_conditionals/03_summary.ipynb)
#### Videos