Identify the valid arithmetic operator in Python from the following:

1. ?
2. <
3. **
4. and

**

Reason — Let's go through each option and see if its valid arithmetic operator or not:

1. ? — The question mark is not a valid arithmetic operator in Python.
2. < — It is a relational operator.
3. ** — It is an arithmetic operator.
4. and — It is a logical operator.