Disable Explorer Startup Delay (Python)

#!/usr/bin/env python3
"""
set_disable_startup_delay.py

Disable Explorer Startup Delay.
Removes the artificial delay before startup apps launch.

Usage:
    python set_disable_startup_delay.py
"""

import winreg


def main() -> None:
    key = winreg.CreateKeyEx(
        winreg.HKEY_CURRENT_USER, r"Software\Microsoft\Windows\CurrentVersion\Explorer\Serialize", 0, winreg.KEY_SET_VALUE
    )
    winreg.SetValueEx(key, "StartupDelayInMSec", 0, winreg.REG_DWORD, 0)
    winreg.CloseKey(key)
    print("Disable Explorer Startup Delay applied.")


if __name__ == "__main__":
    main()