A stair (like the one we use to go from floor to floor) consists of two parts: a tread and a riser. Write a function named stair that uses turtle graphics to draw a stair of specified size.

answer; middle level managers;

(because i need 20 chars)

basic (beginner's all-purpose symbolic instruction code)[1] is a family of general-purpose, high-level programming languages whose design philosophy emphasizes ease of use.

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