NumPy - Indexing and Slicing
If you modify a slice of a NumPy array, what happens to the original array?
If you modify a slice of a NumPy array, what happens to the original array?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall that slicing returns a view
The slice shares the same data as the original array.Step 2: Understand effect of modifying the slice
Changing the slice changes the original array because they share data.Final Answer:
The original array is also modified -> Option AQuick Check:
Modifying slice affects original = C [OK]
Quick Trick: Modifying a view changes the original array too [OK]
Common Mistakes:
- Assuming slice is independent copy
- Expecting no change in original
- Confusing views with copies
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