When trying to make things work with the datetime module, most Python users have faced a point when we resort to guess-and-check until the errors go away. datetime is one of those APIs that seems easy ...

6、 获取当前时间信息，包括年、月、日、时、分、秒，格式化为年,月,日,时,分,秒的字符串形式，使用time.strftime函数实现时间元素的提取与组合。