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Which of the following statements about Python strings is true? What is the output of the following code snippet?<br>x = [1, 2, 3]<br>y = x.copy()<br>x.append(4)<br>print(y) What is the output of the following code snippet?<br>x = 10<br>y = 20<br>x, y = y, x<br>print(x, y)

QUESTIONS

Which of the following statements about Python strings is true?

Right Answer:

Strings in Python can be concatenated using the “+” operator to combine multiple strings into one.

What is the output of the following code snippet?
x = [1, 2, 3]
y = x.copy()
x.append(4)
print(y)

Right Answer:

The copy() method creates a shallow copy of the list, so changes made to the original list “x” will not affect the copied list “y”. Therefore, the output will be [1, 2, 3].

What is the output of the following code snippet?
x = 10
y = 20
x, y = y, x
print(x, y)

Right Answer:

This code swaps the values of variables “x” and “y” using tuple unpacking. Therefore, the output will be 20 10.

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