python list 嵌套 dict 按照字典中的单个key进行单级排序 或 按照多个键进行多级排序
student = [{"no": 1,"score": 90},{"no": 2,"score": 90},{"no": 3,"score": 88},{"no": 4,"score": 92}] # 单级排序,仅按照score排序 student_sort_1 = sorted(student, key=lambda e: e.__getitem__('score')) # 多级排序,先按照score,再按照no排序 student_sort_2 = sorted(student, key=lambda e:(e.__getitem__('score'), e.__getitem__('no')))
当我仰望星空, 看见了涛涛江水, 闻到了人声鼎沸;可当我蓦然回望,再也触摸不到那逝去的时光,再也看不到那夕阳下的少年!