import httpx
import json
import random
import string
import time
import sys
import asyncio
from pathlib import Path
from datetime import datetime
from typing import List, Dict, Any, Optional

def generate_username(length=8):
    """Generate a random username."""
    letters = string.ascii_lowercase + string.digits
    return ''.join(random.choice(letters) for _ in range(length))

async def registe...