How do I work with nested lists in Python?
Nested lists in Python are lists that contain other lists. You can access elements using multiple indices.
Can you give me an example of a nested list?
Sure! Here's an example: nested_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
. This is a list of lists.
How do I access the number 5 in that list?
You can access it using nested_list[1][1]
, which refers to the second list and the second element in that list.
What if I want to add a new list to the nested list?
You can use the append()
method. For example, nested_list.append([10, 11, 12])
will add a new list at the end.
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