print ("Please choose one of the following options:")

ans=True
while ans:
    print ("""
    0. Quit
    1. Work out and display the total
    3. Work out and display the mean
    4. Work out and display the standard deviation
    5. Work out and display the median
    6. Work out and display the lowest and second lowest
    7. Work out and display the 3 month
    8. Work out and display the months
    9. Work out display  level
    """)

print ("Please enter the 12 monthly figures")
input ("Enter a value in the range 0 to 300:")