Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

改造工作“金句大放送”竟然飙上了英语！青浦监狱八监区是上海唯一集中关押成年男性外国籍罪犯的场所，这里的民警大多拥有英语专业八级或留学经历。面对不同国籍、肤色、文化、信仰的罪犯，监狱民警努力打破沟通障碍，拉近心灵距离。英语版的改造金句正是民警日复一日开 ...

这是原始函数： from datetime import datetimedef is_legal_age(dob_str):"""Checks if a person with the given DOB is a legal adult (18+ ...