<human>:  how to convert a datetime string back to datetime object?
<bot>: Here is some code to convert a DateTime string back to a DateTime object of format '%Y-%m-%d %H:%M:%S.%f'

datetime.strptime('2010-11-13 10:33:54.227806', '%Y-%m-%d %H:%M:%S.%f')

#Warning: this code generation is experimental. Please inspect the code for any bugs before executing.