python - filling text file with dates -

i file file dates, , have 02 problems:

from datetime import date, datetime, timedelta  def perdelta(start, end, delta):     curr = start     while curr < end:         yield curr         curr += delta   fo = open("dattes.txt","wb") result in perdelta(date(2011, 10, 10), date(2011, 12, 12), timedelta(days=4)):     fo.write(result)   fo.close() 

1- getting error:

traceback (most recent call last): file "c:\test\date.txt", line 12, in fo.write(result) typeerror: must string or buffer, not datetime.date

2-i output date contiguous (without '-' between day,month , year)

use datetime.date.strftime format date.

you may want write newline('\n') inbetween if don't want 201110102011101420111018.....

so,

... result in perdelta(date(2011, 10, 10), date(2011, 12, 12), timedelta(days=4)):     fo.write(result.strftime('%y%m%d\n')) .... 

alternative

... result in perdelta(date(2011, 10, 10), date(2011, 12, 12), timedelta(days=4)):     fo.write('{0:%y%m%d}\n', result) ...