When you must give something up in order to get something else it's called

Opportunity cost refers to what you have to give up to buy what you want in terms of other goods or services. When economists use the word “cost,” we usually mean opportunity cost.

Explanation:

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that line of code is written in the python programming language. put simply, a programming (or coding) language is a set of syntax rules that define how code should be written and formatted. thousands of different programming languages make it possible for us to create computer software, apps and websites.

explanation:

answer; a coupon clipped from a newpaper,.discounts;