Select the correct answerWhat will be the value of ‘result’ in following Python program?list1 = [1,2,3,4]list2 = [2,4,5,6]list3 = [2,6,7,8]result = list()result.extend(i for i in list1 if i not in (list2+list3) and i not in result)result.extend(i for i in list2 if i not in (list1+list3) and i not in result)result.extend(i for i in list3 if i not in (list1+list2) and i not in result)Options[1, 2, 4, 7, 8][1, 7, 8][1, 3, 5, 7, 8]error
Question
Select the correct answerWhat will be the value of ‘result’ in following Python program?list1 = [1,2,3,4]list2 = [2,4,5,6]list3 = [2,6,7,8]result = list()result.extend(i for i in list1 if i not in (list2+list3) and i not in result)result.extend(i for i in list2 if i not in (list1+list3) and i not in result)result.extend(i for i in list3 if i not in (list1+list2) and i not in result)Options[1, 2, 4, 7, 8][1, 7, 8][1, 3, 5, 7, 8]error
Solution
The correct answer is [1, 3, 5, 7, 8].
Here's the step-by-step explanation:
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The program first creates three lists: list1, list2, and list3.
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It then creates an empty list called 'result'.
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The 'extend' method is used to add elements to the 'result' list. It uses a generator expression to iterate over each list (list1, list2, list3) and add elements that are not in the other two lists and not already in 'result'.
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For list1, the numbers 1 and 3 are not in list2 or list3, so they are added to 'result'.
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For list2, the number 5 is not in list1 or list3, so it is added to 'result'.
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For list3, the numbers 7 and 8 are not in list1 or list2, so they are added to 'result'.
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Therefore, the final value of 'result' is [1, 3, 5, 7, 8].
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