Python_ list/tuple/tuple list and how to use

1. List is a data structure for processing a set of ordered items

1 # Define a list 2 list=[1,2,3]3print  type (list)4print list[0]

Output:

<type ' list ' >

1

2, tuple and list similar, support heterogeneous, arbitrary nesting

1 # Define a tuple 2 tuple1 = (4,5,6)3print  type (tuple1)4print tuple1 [1]

Output:

<type ' tuple ' >
5

1 # define a list of tuples 2 tuple2 = [(3), (4,5,6)]print  type (tuple2)4Print  tuple2[0]5print tuple2[0][1]

Output:

<type ' list ' >
(1, 2, 3)
2

Python_ list/tuple/tuple list and how to use