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![Python](https://miro.medium.com/max/1400/1*HacaJfdu7HF8V4gIoA98ww.png)
# Introduction to Python Course

![Python](https://forthebadge.com/images/badges/built-by-developers.svg) ![Python](https://forthebadge.com/images/badges/built-with-love.svg) ![Python](https://forthebadge.com/images/badges/for-you.svg) ![Python](https://forthebadge.com/images/badges/made-with-python.svg) ![Python](https://forthebadge.com/images/badges/makes-people-smile.svg) ![Python](https://forthebadge.com/images/badges/uses-git.svg) ![Python](https://forthebadge.com/images/badges/you-didnt-ask-for-this.svg)
A static, browser-based collection of eight introductory Python slide decks
with a legacy Dialogflow/API.AI chatbot shell on the landing page.

# Introduction to Python Programming language
**Published site:** <https://khlaifiabilel.github.io/python-course/>

> What is Python ?
## Course material

> How To Setup On Linux
The exported HTML decks cover a progression from programming and Python basics
through practical language topics. Open `index.html` to reach classes 1 through
8, or open any `Python courseNN.html` file directly.

> Python courses
This repository contains presentation material, not an installable Python
package. `requirements.txt` is empty, and no Python interpreter or package
installation is needed to view the lessons.

> Intelligent assistant to learn Python
## Run locally

## What is Python ?

Python is an interpreted, high-level, general-purpose programming language. Created by Guido van Rossum and first released in 1991, Python's design philosophy emphasizes code readability with its notable use of significant whitespace.

## What is difference between Python 2 and Python 3?

| Basis of comparison | Python 3 | Python 2 |
| :---: | :---: | :---: |
| Function print | print ("hello") | print "hello" |
| Division of Integers | Whenever two integers are divided, you get a float value | When two integers are divided, you always provide integer value |
| Unicode | In Python 3, default storing of strings is Unicode | To store Unicode string value, you require to define them with "u" |
| Syntax | The syntax is simpler and easily understandable | The syntax of Python 2 was comparatively difficult to understand |
| Rules of ordering Comparisons | In this version, Rules of ordering comparisons have been simplified | Rules of ordering comparison are very complex |
| Iteration | The new Range() function introduced to perform iterations | In Python 2, the xrange() is used for iterations |
| Exceptions | It should be enclosed in parenthesis | It should be enclosed in notations |
| Leak of variables | The value of variables never changes | The value of the global variable will change while using it inside for-loop |
| Backward compatibility | Not difficult to port python 2 to python 3 but it is never reliable | Python version 3 is not backwardly compatible with Python 2 |
| Library | Many recent developers are creating libraries which you can only use with Python 3 | Many recent developers are creating libraries which you can only use with Python 3. Many older libraries created for Python 2 is not forward-compatible |

## Python 2 vs. Python 3 Example Code

> Python 3

```
// Python3.X

def main():
print("Hello World!")

if __name__== "__main__":
main()
```
> Python2

```
// Python2.X

def main():
print "Hello World!"

if __name__== "__main__":
main()
```

## Which Python Version to Use?

When it comes to Python version 2 vs. 3 today, Python 3 is the outright winner. That's because Python 2 won't be available after 2020. Mass Python 3 adoption is the clear direction of the future.

After considering declining support for Python 2 programming language and added benefits from upgrades to Python 3, it is always advisable for a new developer to select Python version 3. However, if a job demands Python 2 capabilities, that would be an only compelling reason to use this version.

## KEY DIFFERENCE

* Python 3 syntax is simpler and easily understandable whereas Python 2 syntax is comparatively difficult to understand.
* Python 3 default storing of strings is Unicode whereas Python 2 stores need to define Unicode string value with "u."
* Python 3 value of variables never changes whereas in Python 2 value of the global variable will be changed while using it inside for-loop.
* Python 3 exceptions should be enclosed in parenthesis while Python 2 exceptions should be enclosed in notations.
* Python 3 rules of ordering comparisons are simplified whereas Python 2 rules of ordering comparison are complex.
* Python 3 offers Range() function to perform iterations whereas, In Python 2, the xrange() is used for iterations.

## How To Setup On Linux

Run the following commands as root or user with sudo access to update the packages list and install the prerequisites:

```
// Run

sudo apt update
sudo apt install software-properties-common

```

Add the deadsnakes PPA to your system’s sources list:
Some pages load fonts, images, jQuery, or other assets from external hosts, so
serve the directory over HTTP and remain online for the complete presentation:

```bash
git clone https://github.com/khlaifiabilel/python-course.git
cd python-course
python3 -m http.server 8000
```
// Run

sudo add-apt-repository ppa:deadsnakes/ppa

```
When prompted press Enter to continue:

```
// Run
Press [ENTER] to continue or Ctrl-c to cancel adding it.

```
Once the repository is enabled, install Python 3.8 with:

```
// Run
sudo apt install python3.8

```

Verify that the installation was successful by typing:

```
// Run
python3.8 --version
Python 3.8.0


```
Open <http://127.0.0.1:8000/>. The course pages are static; the `python3` command
is only being used as a convenient local web server.

At this point, Python 3.8 is installed on your Ubuntu system, and you can start using it.
## Chatbot status

## Python courses
The landing page includes a `<mybot>` widget implemented by
`assets/js/script.js` and historical branding for API.AI, the predecessor of
Dialogflow. There is no current Dialogflow agent configuration or secret in the
repository. Treat the chatbot as legacy presentation code; it may not function
against current services.

This is a complete Python Course: Go From Beginner To Expert , In this course you will learn from scratch. We will assume that you are a complete beginner and by the end of the course you will be at advanced level. This course contain Real-World examples and Hands On practicals. We will guide you step by step so that you can understand better. This course will allow you to work on the Real-World as a professional.
## Pages and repository identity

## Intelligent assistant to learn Python
GitHub Pages is built from the root of `master` at the published URL above. The
older repository metadata and in-page ribbon still refer to the previous
`KalifiaBillal/Introduction-to-Python-Programming-language` identity; the
canonical repository is now `khlaifiabilel/python-course`. No Pages or
repository rename is required to use the current URL.

## What is a ChatBot ?
The committed Jekyll workflow also builds on pushes and pull requests to
`master`, but it uses `actions/checkout@v2` and a floating
`jekyll/builder:latest` container. That historical workflow should not be
treated as a reproducible modern toolchain.

A chatbot is a software application used to conduct an on-line chat conversation via text or text-to-speech, in lieu of providing direct contact with a live human agent.
## Verification

## What a ChatBot can do ?
There is no automated course-content test suite. Appropriate checks are:

It is an assistant that communicates with us through text messages, a virtual companion that integrates into websites, applications or instant messengers and helps entrepreneurs to get closer to customers. Such a bot is an automated system of communication with users.
- open the landing page and each of the eight course links;
- confirm local CSS, JavaScript, image, and font paths resolve;
- navigate slides with keyboard controls and test at desktop/mobile widths;
- review browser developer tools for failed third-party resources.

# FAQ
No student code is executed, graded, or submitted by this site.

- **How do I do *specifically* so and so?**
- No problem! Just do this.
## Provenance

# Support
The repository history begins with an import by `kalifiabillal` on 2020-06-02,
and the slide exports identify Kalifia Billal as author. The exported decks
embed Reveal.js and other browser libraries with their retained copyright and
license comments. External images and fonts remain hosted by their respective
providers and are not original repository assets merely because they are
referenced by a slide.

Reach out to me at one of the following places!
## Known limitations

- Linkedin at <a href="https://www.linkedin.com/in/kalifiabillal/" target="_blank">`Kalifiabillal`</a>
- Twitter at <a href="https://twitter.com/kalifiabillal" target="_blank">`@Kalifiabillal`</a>
- Examples reflect the Python 3.8-era course and should be checked against a
currently supported Python release.
- The chatbot integration is obsolete and unconfigured.
- Many large slide dependencies are embedded in generated HTML, making the
source difficult to maintain by hand.
- Availability and licensing of externally hosted media can change.

# License
## License

- **[MIT license](http://opensource.org/licenses/mit-license.php)**
- Copyright 2020 © <a href="https://github.com/KalifiaBillal" target="_blank">Kalifiabillal</a>.
No repository-level license file is present. The previous README's MIT claim
was not backed by such a file and has been removed. Embedded Reveal.js and
other third-party components retain their own notices, but those terms do not
establish a license for the original course content as a whole.
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