My slides for a talk I gave in Futurice Tech Weekly on Friday, Oct 19th. I showcase some fantastic features and new things that have come to the language since 3.0 almost 10 years ago.

1. You should have a FOMO!
What you are missing out by still using Python 2.7
Juhis | @hamatti | hamatti.org

2. Hi, I’m Juhis!
Short introduction
I build products,
teach programming,
and run tech communities.
Currently dev @ Futurice
@hamatti
/in/juhamattisantala
@hamatti
Previously:
Dev @ Chartio
Dev @ Smartly.io
Community & Startups @ Boost

3. why you should have a fomo*
* Fear of missing out
9
years since Python 3.0
was released
25
% of the users still using Python 2.7
A+
So many amazing new
features
https://www.jetbrains.com/research/devecosystem-2018/python/
(Down from 47% in 2017)

4. Python 3 releases
Version Release date
Python 3.0 03-12-2008
Python 3.1 26-09-2009
Python 3.2 20-02-2011
Python 3.3 29-09-2012
Python 3.4 17-03-2014
Python 3.5 13-09-2015
Python 3.6 23-12-2016
Python 3.7 27-06-2018

5. Print is a function
https://www.python.org/dev/peps/pep-3105/
Python 2.7
Python 3.0+

6. Iterators instead of Lists
https://docs.python.org/3.0/whatsnew/3.0.html
Python 2.7
Python 3.0+
(range, map, filter, dict.keys, dict.items, dict.values)

7. Futures
https://www.python.org/dev/peps/pep-3148/
http://masnun.com/2016/03/29/python-a-quick-introduction-to-the-concurrent-
futures-module.html
Python 3.2+

8. Async & Await
https://www.python.org/dev/peps/pep-0492/
Python 3.5+ (reserved keywords from 3.7 onwards)
https://stackabuse.com/python-async-await-tutorial/

9. F STRINGS
https://www.python.org/dev/peps/pep-0498/
Python 2.7, using format()
Python 3.6+ using F strings

10. Built-in breakpoint
https://www.python.org/dev/peps/pep-0553/
Python 2.7
Python 3.7+

11. https://www.python.org/dev/peps/pep-0557/
Data Classes
Python 3.7+

12. https://carbon.now.sh/
SHOUTOUT!

13. Juhis codes @ Twitch
Starting something scary
I’m testing a new thing this
weekend.
Sat, Oct 20th
4pm EEST
Streaming my rewrite of
Proxymon open source
project.
Come say hi at twitch.tv/hamatti