Doot

def getRadius():
    print ("Please input the radius of a circle")
    radius = input()
    return radius
def calculateCircumference():
    pi = 3.14
    diameter = radius*2
    circumference = float(diameter) * pi
    print ("The circumference is",str(circumference))
    return circumference, diameter, pi
def calculateArea():
    area = diameter*pi
    return area
def displayResults():
    print("The circle has a radius of",radius)
    print("The circle has a diameter of",diameter)
    print("The circle has a circumference of",cirucmference)
    print("The circle has a area of",area)
#need to work on return statements, don't understand how to use them with different functions