Start: data = (1, 2, 4, 8) (tuple with 4 elements).
Slicing: data = data[-2:-1] → data = (4,) (tuple with 1 element, getting the penultimate element 4).
Direct access: data = data[-1] → data = 4 (integer, getting the last element of the tuple (4,)).
Output: print(data) → 4.
Accesses the element at index -1 (last element) of the current data
Since data is now (4,), data[-1] is 4
This assigns 4 to data
Important: After this step, data is no longer a tuple; it's now an integer (4)
Let's break down the code step by step:
Initial data assignment:
data = (1, 2, 4, 8)
data is a tuple containing (1, 2, 4, 8).
Slicing the tuple:
data = data[-2:-1]
Here, data[-2:-1] means:
Start slicing at index -2 (the second-to-last element, which is 4).
Stop slicing before index -1 (the last element, which is 8).
This results in a tuple with a single element: (4,).
Accessing the last element of the new tuple:
data = data[-1]
Now data is (4,).
data[-1] accesses the last (and only) element of the tuple, which is 4.
As a result, data becomes the integer 4.
Printing the result:
print(data)
The output will be:
4
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