input: Write a function to create a Python dictionary to store data about a student. The function should take no input and return a dictionary containing the student's name, academic year, GPA, list of courses, and list of extracurricular activities.
  
  assert create_student_data()=={
      'name': 'John Smith',
      'year': 'Freshman',
      'gpa': 3.25,
      'courses': ['math', 'english', 'Computer Science', 'Statistics'],
      'extracurricular': ['Chess Club', 'Student Government', 'Debate Team']
  }
output: def create_student_data():
      return {
          'name': 'John Smith',
          'year': 'Freshman',
          'gpa': 3.25,
          'courses': ['math', 'english', 'Computer Science', 'Statistics'],
          'extracurricular': ['Chess Club', 'Student Government', 'Debate Team']
      }