Implement a function that checks if a number falls within a specified range (inclusive). Return true if the number is within the range, false otherwise.

Examples:

Input: num = 15, min = 10, max = 20 Output: true Explanation: 15 is between 10 and 20 (inclusive) Input: num = 5, min = 10, max = 20 Output: false Explanation: 5 is less than the minimum value 10
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