Predefined functions, built-in features, Predefined functions are, already coded and tested, Predefined functions can be, reused again and again, Errors in predefined functions, already corrected, round() does what, rounds decimals, round() syntax, round(value, decimal places), len() does what, counts characters, len() syntax, len(string) or len(variable), random function requirement, import random, random syntax, random.randint(minimum, maximum), Functions normally return, a single value, Function result is usually assigned to, a variable

Predefined Functions in Programming

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