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What will be the output of the following Python code snippet?ct = [0, 1, 2, 3]for ct[0] in ct: print(ct[0])Options01233333error0122

Question

What will be the output of the following Python code snippet?

ct = [0, 1, 2, 3]
for ct[0] in ct:    
    print(ct[0])

Options

  • 0
  • 1
  • 2
  • 3
  • 3
  • 3
  • 3
  • error
  • 0
  • 1
  • 2
  • 2
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Solution

The output of the given Python code snippet will be:

0 1 2 2

Here's the step-by-step explanation:

  1. The list ct is defined with four elements: 0, 1, 2, 3.

  2. The for loop starts. It takes the first element of the list ct (which is 0) and assigns it to ct[0]. This doesn't change the list because ct[0] was already 0. It then prints ct[0], which is 0.

  3. The for loop moves to the second element of the list ct (which is 1) and assigns it to ct[0]. Now the list ct becomes [1, 1, 2, 3]. It then prints ct[0], which is now 1.

  4. The for loop moves to the third element of the list ct (which is now 2) and assigns it to ct[0]. Now the list ct becomes [2, 1, 2, 3]. It then prints ct[0], which is now 2.

  5. The for loop moves to the fourth element of the list ct (which is 3) and assigns it to ct[0]. However, because the list ct has been modified during the loop, the fourth element is now 2, not 3. So ct[0] becomes 2, and the list ct becomes [2, 1, 2, 3]. It then prints ct[0], which is 2.

  6. The for loop has now finished all elements in the list ct, so it ends.

So, the correct option is "0122".

This problem has been solved

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