input: Write a function to construct a python dictionary containing student names and marks as key-value pairs. The function should take a list of tuples as input, where each tuple contains a student name and their corresponding marks. The function should return the constructed dictionary.
  
  def construct_student_marks(student_list):
      student_marks = {}
      for name, marks in student_list:
          student_marks[name] = marks
      return student_marks
  
  assert construct_student_marks([("John", 90), ("Levi", 85), ("Jill", 95), ("Sara", 75)]) == { 
      "John" : 90, 
      "Levi" : 85, 
      "Jill" : 95, 
      "Sara" : 75
  }
  
  assert construct_student_marks([]) == {}
  
  assert construct_student_marks([("Alice", 88), ("Bob", 77), ("Charlie", 92)]) == { 
      "Alice" : 88, 
      "Bob" : 77, 
      "Charlie" : 92
  }
output: def construct_student_marks(student_list):
      student_marks = {}
      for name, marks in student_list:
          student_marks[name] = marks
      return student_marks