Just like lists, tuples can also contain **nested elements**. For example, when storing country data in tuples, you can use **nested indexing** in the same way as with lists. The first index selects an item from the main tuple, while the second index accesses an element within the nested tuple.

# Two-dimensional tuple
countries_2d = (('USA', 9629091, 331002651), ('Canada', 9984670, 37742154), 
                   ('Germany', 357114, 83783942), ('Brazil', 8515767, 212559417), 
                   ('India', 3166391, 1380004385))

# Get information about India
print(countries_2d[4])

# Get the area of India
print(countries_2d[4][1])

Which of the following is true about nested tuples?

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How can you retrieve a value from a dictionary by its key?

What is the difference between a tuple and a list?

How can you access the third element in this list?


What does the `copy()` method do for lists in Python?

Is there a strict limit on how deeply you can nest tuples/lists/dictionaries in Python?

How do you update a value in a dictionary?

How would you change "green" to "yellow"?

Nested Tuples in Python