input: from typing import Dict
  
  def construct_student_marks() -> Dict[str, int]:
      """ Construct a python dictionary containing student names and marks as key-value pairs.
      >>> construct_student_marks()
      {'John': 90, 'Levi': 85, 'Jill': 95, 'Sara': 75}
      """
      student_marks = {
          "John": 90,
          "Levi": 85,
          "Jill": 95,
          "Sara": 75
      }
      return student_marks
output:     student_marks = {
          "John": 90,
          "Levi": 85,
          "Jill": 95,
          "Sara": 75
      }
      return student_marks