What will be the output of the following Python code?a1={1, 2, 3}a2={3, 4, 5, 6}print(a1.difference(a2))print(a2.difference(a1))Options{4, 5, 6}{4, 5, 6}{1, 2}{1, 2}{1, 2}{4, 5, 6}{4, 5, 6}{1, 2}
Question
What will be the output of the following Python code?a1={1, 2, 3}a2={3, 4, 5, 6}print(a1.difference(a2))print(a2.difference(a1))Options{4, 5, 6}{4, 5, 6}{1, 2}{1, 2}{1, 2}{4, 5, 6}{4, 5, 6}{1, 2}
Solution
The output of the Python code will be:
{1, 2} {4, 5, 6}
Explanation:
The difference() method in Python returns a set that is the difference between two sets. Meaning, it returns a set that contains items that exist only in the set you are taking the difference from.
In the first print statement, a1.difference(a2) will return a set that contains items that exist only in a1 but not in a2. So, it will return {1, 2}.
In the second print statement, a2.difference(a1) will return a set that contains items that exist only in a2 but not in a1. So, it will return {4, 5, 6}.
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