1>>> lst = [1, 2]
2>>> lst.append(3)
3>>> lst.append(4)
4>>> lst
5[1, 2, 3, 4]
6
7>>> lst.extend([5, 6, 7])
8>>> lst.extend((8, 9, 10))
9>>> lst
10[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
11
12>>> lst.extend(range(11, 14))
13>>> lst
14[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
15
1list.extend(val1,val2,val3....)
2list.extend( [val1,val2],val3,val4,[val5,val6,val7])
3#any combination of integers, strings, lists and tuples works