Python Coding Challenge - Question with Answer (ID -231225)

 

Step-by-step Explanation

1. Create NumPy array

a = np.array([5, 6, 7])

a is a NumPy array stored in memory.

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2. Make a copy

b = a.copy()

• .copy() creates a new array in a different memory location

• a and b are now independent

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3. Modify the copied array

b[2] = 100

• Changes only b

• a remains unchanged

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4. Print original array

print(a)

✅ Output

[5 6 7]

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 Key Concept (Exam & Interview Favorite)

Method	Memory Shared?	Change affects original?
=	✅ Yes	✅ Yes
.view()	✅ Yes	✅ Yes
.copy()	❌ No	❌ No

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 One-line Takeaway

.copy() creates a completely independent NumPy array.

900 Days Python Coding Challenges with Explanation