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If you learn to drive a car, that knowledge can be transferred to driving a bus, a truck or a tractor. Similarly, most computer languages implement input, output, variables, loops, conditions and functions. Learn the basics of any language and learning another becomes considerably easier. It’s mostly a different syntax.
You cannot choose the “wrong” language; all development knowledge is good knowledge. Perhaps picking COBOL for an iOS game isn’t the best choice, but you’d quickly discover it was impractical and learn something about the language which was useful elsewhere.
The hardest part of any learning process is making a start …