input: Write a python function to print a grade table for a list of students.
  assert print_grade_table([{'name': 'Alice', 'grade': 'A'}, {'name': 'Bob', 'grade': 'B'}]) == None
  assert print_grade_table([{'name': 'Charlie', 'grade': 'C'}, {'name': 'David', 'grade': 'D'}, {'name': 'Eve', 'grade': 'E'}]) == None
  assert print_grade_table([{'name': 'Frank', 'grade': 'F'}, {'name': 'Grace', 'grade': 'A+'}]) == None
output: def print_grade_table(students):
      print(f"{'Name':<10} {'Grade':<5}")
      print("-" * 15)
      for student in students:
          print(f"{student['name']:<10} {student['grade']:<5}")