This one is a fun read geeksforgeeks.org, try solving a few of the programming problems before reading the articles/solutions.
It is fun, I guarantee it :)
Also they have a good interviewing section, just don't get too hung up on it mkay
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Sigmundarson
Software Developer
For hire
Developer & Programmer with +15 years professional experience building software.
Seeking WFH, remoting or freelance opportunities.