Why code give a output 2 ?

Question

https://code.sololearn.com/cYBFl8DULUny/?ref=app

Answer 1

The "&" operator creates an intersection of n sets. This means, the result will be 2, since 2 is the only number that is common in both of the sets.

Answer 2

Why code gives output 2

Answer 3

Satyam Mishra Check this lesson
https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2464/