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Identify the error in this code snippet:

medium📝 Debug Q14 of 15
NumPy - Array Data Types
Identify the error in this code snippet:
import numpy as np
arr = np.array([1.0, 2.0], dtype='float16')
arr = arr.astype('float32')
print(arr.dtype)
Adtype argument must be np.float32, not string
BNo error; code runs and prints float32
Castype cannot convert float16 to float32
Dprint statement syntax is wrong
Step-by-Step Solution
Solution:
  1. Step 1: Check dtype usage in np.array

    Using dtype='float16' is valid and creates a float16 array.
  2. Step 2: Check astype conversion and print

    astype('float32') converts array to float32 correctly. The print statement syntax is correct.
  3. Final Answer:

    No error; code runs and prints float32 -> Option B
  4. Quick Check:

    astype converts float16 to float32 fine [OK]
Quick Trick: astype converts float types smoothly [OK]
Common Mistakes:
  • Thinking astype can't convert float16 to float32
  • Believing dtype must be np.float32 object
  • Assuming print syntax error

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