list.reverse()
# coding:utf-8
students = [
{'name': 'dewei', 'age': 33, 'top': 174},
{'name': '小慕', 'age': 10, 'top': 175},
{'name': '小高', 'age': 18, 'top': 188},
{'name': 'Xiaoyun', 'age': 18, 'top': 165}
]
print('当前同学的顺序是{}'.format(students))
students.reverse()
print('座位更换之后的顺序是{}'.format(students))