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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Gotta pick some project that matters to you and do it. Putting Python code into production with multi-person teams is outright maddening, but for the individual who wants to put their skills on wheels, Python is a great place to start.
Another fun thing to try is
https://www.arduino.cc/
I got started with that buying an Arduino and a breadboard and a handful of 74xx logic chips and I started writing Arduino programs that would generate inputs to the 74xx chips and verify the expected outputs and thus taught myself C coding for the Arduino and how to make circuits with discrete logic at the same time.