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=========================================     Animated plots part 1  ==========================================
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1) Scrap some youtube video with plots e.g. https://www.youtube.com/watch?v=7DemM7UGmIg
and convert it into animated gif.

Hints: 
- use web browser plugins, youtube-dl or similar tools

Prefered setup:
https://github.com/yt-dlp/yt-dlp
https://pypi.org/project/yt-dlp/
Inspect formats with option -F & dowload rather smaller than bigger (-f option)

Install yt-dlp using venv:
a) https://packaging.python.org/en/latest/guides/installing-using-pip-and-virtual-environments/
b) https://docs.python.org/3/tutorial/venv.html

- convert mp4 into gif using ffpmeg and convert (ImageMagic)
https://askubuntu.com/questions/648603/how-to-create-an-animated-gif-from-mp4-video-via-command-line
ffmpeg -i video.mp4  -r 5 'frames/frame-%03d.jpg'
cd frames
convert -delay 20 -loop 0 *.jpg myimage.gif

As you learned how to make animated gif by joining the image files ('convert' command 
from ImageMagic), now it is time for PYTHON scripting and do some serious plotting. 

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2) Given the data from The Word Bank:
https://data.worldbank.org/indicator/SP.POP.TOTL?end=2023&start=1960&view=chart
do animated bar plots (gif file) for all years for:

a) 5 most populated countries (filter out groups like South Asia, OECD, etc.)

b) pick one country and year at random and then find 4 other countries that are the closest by 
population size (either + or -) in given year and do similar plot (e.g., Chile at 1985 and 4 other countries)

c) the same as (b) but this time use Poland as "the centroid"

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