q = [["a", "b", "c"], ["d","e","f"], ["g","h"]]

# a1) 
q[0][0]
# a2)
q[1]
# a3)
q[2][1]
q[-1][-1]
# a4)
q[1][0]
# a5)
q[-1] --> ["g","h"]
q[-1][-2] --> "g"

# b)
# i is a list
# j is an integer