How can you access the element at the second row and third column of a NumPy array arr?
Understand the Problem
The question is asking for the correct syntax to access a specific element of a NumPy array, specifically the element located at the second row and third column. In Python, indexing starts at 0, so we need to determine which option correctly reflects this.
Answer
Use `arr[1, 2]` to access the element at the second row and third column of a NumPy array.
To access the element at the second row and third column of a NumPy array arr, use arr[1, 2].
Answer for screen readers
To access the element at the second row and third column of a NumPy array arr, use arr[1, 2].
More Information
In NumPy, arrays are indexed from 0, so the second row is index 1 and the third column is index 2.
Tips
A common mistake is forgetting that Python uses 0-based indexing, leading to accessing the wrong elements.
Sources
- Slice Two-dimensional Numpy Arrays - Earth Data Science - earthdatascience.org
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