Implement a function that calculates the power of a number. Given a base and an exponent, compute and return the result of raising the base to the power of the exponent.

You should handle the following cases:

  • Positive exponents
  • Zero as an exponent (any number raised to the power of 0 is 1)
  • Negative exponents (result is 1 divided by the base raised to the absolute value of the exponent)

You may NOT use the built-in Math.pow() method or the ** operator. Implement the solution using loops.

Examples:

Input: base = 2, exponent = 3 Output: 8 Explanation: 2^3 = 2 * 2 * 2 = 8 Input: base = 5, exponent = 0 Output: 1 Explanation: Any number raised to 0 equals 1 Input: base = 4, exponent = -2 Output: 0.0625 Explanation: 4^(-2) = 1/(4^2) = 1/16 = 0.0625
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