NumPy - Indexing and Slicing
Which of the following is the correct syntax to select elements at positions 0, 2, and 4 from a NumPy array
arr using fancy indexing?Which of the following is the correct syntax to select elements at positions 0, 2, and 4 from a NumPy array arr using fancy indexing?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall fancy indexing syntax
Fancy indexing uses double square brackets with a list or array of indices inside.Step 2: Match syntax to options
Onlyarr[[0, 2, 4]]uses correct double brackets and list format.Final Answer:
arr[[0, 2, 4]] -> Option DQuick Check:
Double brackets with list = correct fancy indexing [OK]
Quick Trick: Use double brackets with list for fancy indexing [OK]
Common Mistakes:
- Using parentheses instead of brackets
- Using curly braces which are invalid
- Using slicing syntax incorrectly
Master "Indexing and Slicing" in NumPy
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