input: def print_grade_table(students):
      """
      Print a formatted table of grades for a given set of students.
      
      >>> 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']:<8}{student['grade']}")