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What will be the output of the following Python code?def foo(k): k = [1]q = [0]foo(q)print(q) [0][1][1, 0][0, 1]

Question

What will be the output of the following Python code?

def foo(k):
    k = [1]

q = [0]
foo(q)
print(q)
  • [0]
  • [1]
  • [1, 0]
  • [0, 1]
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Solution

The output of the given Python code will be [0].

Here's the step by step explanation:

  1. A list q is defined with a single element 0.

  2. The function foo(k) is called with q as the argument. Inside the function, k is assigned a new list [1]. However, this doesn't affect q because lists are passed by reference in Python, and the function is creating a new reference k instead of modifying the original reference q.

  3. After the function call, q is printed, which is still [0] as it was not modified by the function.

This problem has been solved

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