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in python, a nested list is a list that contains other lists as its elements. this allows you to organize data hierarchically, with multiple levels of depth. nested lists are useful for representing structured data such as matrices, tables, or trees. in this tutorial, we'll explore how to create nested lists in python with code examples.
to create a nested list in python, you simply include lists as elements within another list. here's the general syntax:
each inner list represents a level of nesting within the outer list. let's see some examples:
in this example, matrix is a 2d nested list representing a 3x3 matrix.
in this example, data is a nested list containing lists with string and integer elements.
here, nested contains empty lists as elements along with non-empty lists.
you can access elements in nested lists using multiple indices. each index corresponds to a level of nesting. here's how you can access elements:
you can iterate through nested lists using nested loops or list comprehensions. here's an example using nested loops:
you can modify nested lists just like regular lists. here are some common operations:
nested lists in python provide a flexible way to represent hierarchical data structures. you can create, access, iterate through, and modify nested lists using simple syntax and common list operations. experiment with nested lists to represent various types of structured data in your python programs!

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