input: def create_student_marks_dictionary() -> dict:
      """ Constructs a python dictionary containing student names and marks as key-value pairs.
      >>> create_student_marks_dictionary()
      {'John': 90, 'Levi': 85, 'Jill': 95, 'Sara': 75}
      """
      return { "John" : 90, "Levi" : 85, "Jill" : 95, "Sara" : 75 }
output:     return { "John" : 90, "Levi" : 85, "Jill" : 95, "Sara" : 75 }