Determine Whether Integer Is Between Two Other Integers?

Question

How do I determine whether a given integer is between two other integers (e.g. greater than/equal to 10000 and less than/equal to 30000)?

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Answer 1

Suppose there are 3 non-negative integers: a, b, and c. Mathematically speaking, if we want to determine if c is between a and b, inclusively, one can use this formula:

(c - a) * (b - c) >= 0

or in Python:

> print((c - a) * (b - c) >= 0)
True