[Tutor] Difference in minutes between two time stamps

[Tim Michelsen]

  >>>> import datetime
>>>> s = '09:35:23'
>>>> datetime.datetime.strptime(s, '%H:%M:%S')
> datetime.datetime(1900, 1, 1, 9, 35, 23)
> 
> Can you figure out how to proceed from there?
In case she doesn't know:

import datetime as dt
start="09:35:23"
end="10:23:00"

start_dt = dt.datetime.strptime(start, '%H:%M:%S')

end_dt = dt.datetime.strptime(end, '%H:%M:%S')

diff.seconds/60