update-grub
def get_or_none(model, **kwargs):
try:
return model.objects.get(**kwargs)
except model.DoesNotExist:
return Nonemember = Member.objects.get(user=self.request.user, uni=self.object)member=get_or_none(Member, user=self.request.user, uni=self.object)
>>> a=[['{0}*{1}={2}'.format(row,col,col*row) for col in xrange (1,5)] for row in xrange(1,5)]
>>> a
[['1*1=1', '1*2=2', '1*3=3', '1*4=4'], ['2*1=2', '2*2=4', '2*3=6', '2*4=8'], ['3*1=3', '3*2=6', '3*3=9', '3*4=12'], ['4*1=4', '4*2=8', '4*3=12', '4*4=16']]
