OP you might as well just say "how many of you know a programming language?" Since if you know one you pretty much know them all at least on a basic level.
English
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I can't really comment on all of the popular languages, but high-level languages like Python with a slow runtime have a substantial difference to low-level implementation languages like Java and the C languages because they prioritize different qualities.
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I wouldn't equate Java with C and I [i]certainly[/i] wouldn't say Java is a low level language.