Python - Poiseuille's Law (Airway Resistance)

print ("This program will calculate airway resistance in a person using Poiseuille's Law.")

import math

#  Airway resistance in a person using Poiseuille Equation:
#  Airway resistance = [(8 * dynamic viscosity) * length]/[pi * (radius of pipe**4)]

###########################################

#  1 function: solve for airway resistance

#  Function to solve for airway resistance
#    Solve for resistance: enter dynamic viscosity, length, radius 
#  Airway resistance = [(8 * dynamic viscosity) * length]/[math.pi * (radius of pipe**4)]
def SolveForAirwayResistance():
    print ("Solving for airway resistance")
#  The pi variable is coming from Python's constant: math.pi
    pi = math.pi
    DynamicViscosity = float(input("Enter the dynamic viscosity: ") )
    Length = float(input("Enter the length of the airway: ") )
    Radius = float(input("Enter the radius of the airway: ") )
    AirwayResistance = ( (8 * DynamicViscosity) * Length)/(pi * (Radius**4) )
    print("The airway resistance is:", AirwayResistance)


ContinueCalculations = "y"

# Check to see if the user wants to continue to calculate airway resistance
while (ContinueCalculations=="y"):
    SolveForAirwayResistance()
    ContinueCalculations = input("Would like to do another calculation for airway resistance? (y/n): ")
    
print("==================================")
print ("Thank you to www.FxSolver.com for information on this formula.")