input: def compoundInterest(investment_amount: float, rate_of_interest: float, time: float) -> float:
      """ Calculate the compound interest for a given investment amount, rate of interest, and time.
      >>> compoundInterest(1000, 5, 5)
      1276.2815625
      >>> compoundInterest(2000, 3, 10)
      2687.8328443358774
      """
output:     return investment_amount * (1 + rate_of_interest / 100) ** time