In [1]:
from datetime import datetime, timedelta

In [2]:
d0 = datetime.now() - timedelta(days=7)
d2 = datetime.now() + timedelta(days=7)

#d_ = datetime.strptime('2018-12-28',"%Y-%m-%d")
d_ = datetime.now()

In [3]:
print('d0=%s' % d0)
print('d2=%s' % d2)

print('d_=%s' % d_)


d0=2018-12-21 15:15:03.640937
d2=2019-01-04 15:15:03.641012
d_=2018-12-28 15:15:03.641046

In [4]:
if d0 <= d_:
    print('%s <= %s' % ('d0', 'd_'))
else:
    print('%s > %s' % ('d0', 'd_'))


d0 <= d_

In [5]:
if d_ < d2:
    print('%s < %s' % ('d_', 'd2'))
else:
    print('%s >= %s' % ('d_', 'd2'))


d_ < d2