python下datetime类型的转换

print datetime.strptime("2010-04-01 00:04:57.277","%Y-%m-%d %H:%M:%S.%f")
参考文章：
http://docs.python.org/library/datetime.html#strftime-strptime-behavior
Directive Meaning Notes %a Locale’s abbreviated weekday name.   %A Locale’s full weekday name.   %b Locale’s abbreviated month name.   %B Locale’s full month name.   %c Locale’s appropriate date and time representation.   %d Day of the month as a decimal number [01,31].   %f Microsecond as a decimal number [0,999999], zero-padded on the left (1) %H Hour (24-hour clock) as a decimal number [00,23].   %I Hour (12-hour clock) as a decimal number [01,12].   %j Day of the year as a decimal number [001,366].   %m Month as a decimal number [01,12].   %M Minute as a decimal number [00,59].   %p Locale’s equivalent of either AM or PM. (2) %S Second as a decimal number [00,61]. (3) %U Week number of the year (Sunday as the first day of the week) as a decimal number [00,53]. All days in a new year preceding the first Sunday are considered to be in week 0. (4) %w Weekday as a decimal number [0(Sunday),6].   %W Week number of the year (Monday as the first day of the week) as a decimal number [00,53]. All days in a new year preceding the first Monday are considered to be in week 0. (4) %x Locale’s appropriate date representation.   %X Locale’s appropriate time representation.   %y Year without century as a decimal number [00,99].   %Y Year with century as a decimal number.   %z UTC offset in the form +HHMM or -HHMM (empty string if the the object is naive). (5) %Z Time zone name (empty string if the object is naive).   %% A literal '%' character.