Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE has_pet (stuid VARCHAR); CREATE TABLE student (stuid VARCHAR)
### Question:
Find the number of pets for each student who has any pet and student id.
### Answer:
SELECT COUNT(*), T1.stuid FROM student AS T1 JOIN has_pet AS T2 ON T1.stuid = T2.stuid GROUP BY T1.stuid