Update README.md

Author: pdeitel

README.md

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 Source code and Jupyter Notebooks files for my "Python Full Throttle" live training course:
 
 The links below will take you to the course page. If you registered/attended that session, that page is where you can access the archived video.
+* April 12, 2022: https://learning.oreilly.com/live-events/python-full-throttle-with-paul-deitel/0636920274667/0636920069688/
 * March 15, 2022: https://learning.oreilly.com/live-events/python-full-throttle-with-paul-deitel/0636920274667/0636920068346/
 * February 15, 2022: https://learning.oreilly.com/live-events/python-full-throttle-with-paul-deitel/0636920274667/0636920066619/
 * January 18, 2022: https://learning.oreilly.com/live-events/python-full-throttle-with-paul-deitel/0636920274667/0636920064462