Step-by-step explanation:
✅ Original list:
✅ lst[1:4] means:
You're slicing from index 1 (inclusive) to index 4 (exclusive), so you're selecting:
✅ lst[1:4] = [7, 8]:
You're replacing the selected slice [1, 2, 3] with the new values [7, 8].
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The original list had 3 elements in the slice.
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The new list has 2 elements.
Python allows list slices to be replaced by shorter or longer sequences, and it automatically adjusts the size of the original list.
๐ Modified list:
0 is unchanged.
[1, 2, 3] is replaced by [7, 8].
4 stays at the end.
✅ Final Output:


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