input: def create_student_data() -> dict:
      """ This function creates and returns a dictionary containing data about a student.
      The dictionary includes the student's name, year, GPA, list of courses, and list of extracurricular activities.
      
      Example:
      for create_student_data() == {
          'name': 'John Smith',
          'year': 'Freshman',
          'gpa': 3.25,
          'courses': ['math', 'english', 'Computer Science', 'Statistics'],
          'extracurricular': ['Chess Club', 'Student Government', 'Debate Team']
      }
      """
      return {
          'name': 'John Smith',
          'year': 'Freshman',
          'gpa': 3.25,
          'courses': ['math', 'english', 'Computer Science', 'Statistics'],
          'extracurricular': ['Chess Club', 'Student Government', 'Debate Team']
      }
output:     return {
          'name': 'John Smith',
          'year': 'Freshman',
          'gpa': 3.25,
          'courses': ['math', 'english', 'Computer Science', 'Statistics'],
          'extracurricular': ['Chess Club', 'Student Government', 'Debate Team']
      }