get last item in array python

1a = [1, 2, 3, 4]
2print(a[-1])
3#prints: 4
4
5print(a[-2])
6#prints: 3

1some_list = [1, 2, 3]
2some_list[-1]
3print(some_list)
4#Output = 3

1list1 = ['a','b','c']
2print(list1[-1])
3
4

1list = [1, 2, 3]
2print(list[-1]) #prints 3

1# to print the last item from a list
2print(list[-1])

1>>> some_list = [1, 2, 3]
2>>> some_list[-1] = 5 # Set the last element
3>>> some_list[-2] = 3 # Set the second to last element
4>>> some_list
5[1, 3, 5]
6