from datetime import datetime, timedelta

actual_date = datetime(2018, 5, 8)
end_date = datetime(2018, 7, 18)

out = open('/tmp/daterange.txt', 'w')

while actual_date < end_date:
	out.write(actual_date.strftime('%Y-%m-%d') + '\n')
	actual_date = actual_date + timedelta(days=1)