quarter = ['January' , 'February' , 'March']

print('First month:' , quarter[0]) 
print('Second month:' , quarter[1])
print('Third month:' , quarter[2])

coords = [[1,2,3] , [4,5,6]]

print('\nTop left 0,0 :' , coords[0][0])
print('\nBottom right 1,2 :' , coords[1][2]) 

print('first month third letter :' , quarter[0][2])        
