BEIJING, Jan. 25 (Xinhua) -- China's new tax policies aimed at stabilizing the real estate market have resulted in 11.69 billion yuan (about 1.6 billion U.S. dollars) in tax reductions and exemptions ...

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+ ...