def menu():
    print 'Conversions Menu'
    print '[1] Miles to Kilometers';
    print '[2] Inches to Centermeters';
    Choice = input ('Enter your choice number: ');
    if (Choice == 1):
        K2M();
    elif (Choice == 2):
        IN2CM();
    else:
        print 'Invalid choice: ', choice;
    menu = input ('Type menu to return: ');
    if (menu == menu):
        menu();

def K2M():
    Miles          = input ('Enter Miles: ');
    Kilometers     = Miles * 1.6;
    print Miles, 'Miles =', Kilometers, 'Kilometers';

def IN2CM():
    Inches = input ('Enter Inches: ');
    Centermeters = Inches * 2.54;
    print Inches, 'Inches =', Centermeters, 'Centermeters';