It's okay to be in over your head. That's one of the fastest ways to teach yourself to swim.
Just make sure the people around you know, and are not relying on you.
Good: doing a coding competition even though you don't know the language, just to see how far you can get
Bad: Getting hired for a job you have no qualifications for whatsoever, planning to learn as you do it
Guess which one I'm doing 🙃
I passed the aptitude test though which means I might not actually be in danger of drowning
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