Week 2 Assessment | Python Mastery

1. What is broadcasting in NumPy?

Converting to broadcast type
Element-wise operations with different shapes
Sending arrays over network
None

2. np.array([1,2,3]).shape returns?

(1,3)
(3,)
(3,1)
3

3. Create a 3x3 identity matrix using NumPy.

4. Compute mean and std of array [1,2,3,4,5].

5. Which is faster: NumPy vectorized op or Python loop?

Python loop
NumPy
Same
Depends

📝 Week 2 Assessment