Idk!

def sphere():
    import math
    radius = float(input('Please enter the radius of the circle: '))
    if radius < 0:
        print ('Do not enter 0 or lower')
    else:
        volume = 4/3*math.pi*radius*radius*radius
        return radius, volume

def triangle():
    base = float(input('What is the base of the triangle? '))
    height = float(input('What is the height of the triangle? '))
    return base, height

def squares():
    import math
    for odds in range(1,50,2):
        return odds

def main():
    print('1. Calculate the volume of a sphere')
    print('2. Calculate the Area of a Triangle')
    print('3. Show odds and their squares between 1-50')
    print('4. Quit')
    menu()

def menu():
    option = int(input('Please choose an option from the menu: '))
    while option != 4:
        print('1. Calculate the volume of a sphere')
        print('2. Calculate the Area of a Triangle')
        print('3. Show odds and their squares between 1-50')
        print('4. Quit')
        option = int(input('Please choose an option from the menu: '))
        if option == 1:
            sphere()
            print('Radius:', format(option,'10.2f'))
            print('Volume:', format(option,'10.2f'))
        elif option == 2:
            triangle()
            area = option * option * .5
            print('Height:', format(option,'15.2f'))
            print('Base:', format(option,'15.2f'))
            print('Triangle Area:', format(area,'15.2f'))
        elif option == 3:
            import math
            squares()
            root = math.sqrt(option)
            print(option, '\t', root)
        elif option == 4:
            print('Thank you for using this program')
        break

main()