input: def print_grade_table(students):
      max_name_length = max(len(student['name']) for student in students)
      line_template = "{{name:<{max_name_length}}}   {{grade}}".format(max_name_length=max_name_length)
      header = line_template.format(name='Name', grade='Grade')
      sep = '-' * len(header)
      print(header)
      print(sep)
      for student in students:
          print(line_template.format(**student))
  
      # Test case:
      # >>> print_grade_table([{'name': 'John', 'grade': 92}, {'name': 'Alice', 'grade': 95}, {'name': 'Bob', 'grade': 87}])
      # Output:
      # Name      Grade
      # -----------------
      # John      92
      # Alice     95
      # Bob       87
output:     # Test case:
      # >>> print_grade_table([{'name': 'John', 'grade': 92}, {'name': 'Alice', 'grade': 95}, {'name': 'Bob', 'grade': 87}])
      # Output:
      # Name      Grade
      # -----------------
      # John      92
      # Alice     95
      # Bob       87