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GO Classes DPP | PYTHON & DSA |PYTHON

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Task: You have two lists of IDs. You need to find all IDs that are present in either list but not in both (the symmetric difference).

List 1: $[101,102,103,104]$

List 2: $[103,104,105,106]$

Expected Result:
\[
\{101,102,105,106\}
\]

Which Python set operation or method achieves this?

  1. $\texttt{set(list1)&set(list2)} $
     
  2. $\texttt{set(list1).union(list2)}$
     
  3. $\texttt{set(list1)}$ ^  $\texttt{set(list2)}$
     
  4. $\texttt{set(list1).intersection(list2)}$

2 Answers

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The XOR Operator ( ^ ): In Python, the caret symbol ( ^ ) is the shorthand operator for the symmetric_difference() method. It compares two sets and returns a new set containing elements found in either set1 or set2, but not in their intersection.
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