Python - 0 bytes cause why not

[yo-yo-yo-jbo]

Please fill out the following:

---BEGIN BGGPx---
Submit Date: 2024-Aug-07
BGGP Challenge Number: 5
Author: Jonathan Bar Or ("JBO")
Contact Info (Optional): @yo_yo_yo_jbo
Online Presence (Website/Social Media): @yo_yo_yo_jbo
Target File Type: *.py
File Size: 0
SHA256 Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Target Environment (How do we run the file?): Linux or macOS:
1. Create an empty file: **touch /tmp/a.py**
2. Run with PYTHONSTARTUP from STDIN: **printf "import sys;sys.ps1='';import os;_=os.system('printf \\\\r>/dev/tty && curl https://binary.golf/5/5')\n" | PYTHONSTARTUP=/dev/fd/0 python3 -i /tmp/a.py**
Any additional info?: 
Link to PoC video, screenshot, or console output, if any: 
Link to writeup, if any: 
File contents (base64 encoded please): 
---END BGGPx---

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[mebeim]

Why do I feel like BGGP should have a forbidden loopholes policy 😂 LOL

[yo-yo-yo-jbo]

I agree, IMO everything that uses env vars, relies on path / filename etc cheating. Relying on externals (curl etc) is fine IMO.
Anyway, I saw people really streching the limit and I was like "I'll do ot too".