import requests
import time

url = 'https://2ch.hk/makaba/posting.fcgi'
data = {
'task': 'post',
'board': 'asylum',
'thread': '480443',
'email': '',
'name': '',
'subject': '',
'comment': 'test pikchi',
}
imagedata = open('D:/1.jpg', 'rb').read()
files = {'image1': imagedata}

for i in range(3):
    requests.post(url, params=data,  files=files)
    time.sleep(20)

#requests.post(url, params=data, files=files)