input: Write a python function to create a StudentEnrollment object and verify its attributes.
  assert enroll_student("John Doe", 10, "ABC School").name == "John Doe"
  assert enroll_student("John Doe", 10, "ABC School").age == 10
  assert enroll_student("John Doe", 10, "ABC School").school == "ABC School"
  assert enroll_student("Jane Doe", 12, "XYZ School").name == "Jane Doe"
  assert enroll_student("Jane Doe", 12, "XYZ School").age == 12
  assert enroll_student("Jane Doe", 12, "XYZ School").school == "XYZ School"
output: class StudentEnrollment:
      def __init__(self, name, age, school):
          self.name = name
          self.age = age
          self.school = school
  
  def enroll_student(name, age, school):
      return StudentEnrollment(name, age, school)