What does this Python code output?

x = [[0] * 3] * 3
x[0][0] = 1
print(x)

A) [[1, 0, 0], [0, 0, 0], [0, 0, 0]]
B) [[1, 0, 0], [1, 0, 0], [1, 0, 0]]
C) [[1, 1, 1], [0, 0, 0], [0, 0, 0]]
D) Error
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What does this Python code output?

x = [[0] * 3] * 3
x[0][0] = 1
print(x)

A) [[1, 0, 0], [0, 0, 0], [0, 0, 0]]
B) [[1, 0, 0], [1, 0, 0], [1, 0, 0]]
C) [[1, 1, 1], [0, 0, 0], [0, 0, 0]]
D) Error
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🧠 Python Quiz Time!
What will this code output?

x = [1, 2, 3]
y = x
y.append(4)
print(x)

A) [1, 2, 3]
B) [1, 2, 3, 4]
C) Error
Reply with your answer and why!
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