3 \cdot \pi \quad &\rightarrow \quad v_3 = 9, \quad &&x_3 = 0.4247\ldots \\
the option flag is not considered for the sake of optional arguments.，更多细节参见币安_币安注册_币安下载
，更多细节参见咪咕体育直播在线免费看
def parse_detail(self, url: str, html: str) - Optional[Item]:
Optional seconds in times (sets to 0)，更多细节参见PDF资料