input: from typing import List, Dict
  
  def print_grade_table(students: List[Dict[str, str]]) -> None:
      """
      Given a list of dictionaries representing students, print a formatted 
      table with their names and grades.
      >>> print_grade_table([{'name': "John", 'grade': 92}, {'name': "Alice", 'grade': 95}, {'name': "Bob", 'grade': 87}])
      Name      Grade
      -------------
      John       92
      Alice      95
      Bob        87
      """
output:     print("Name      Grade")
      print("-------------")
      for student in students:
          print(f"{student['name']:<10}{student['grade']}")