Easily converts SteamID64 or 32 into both 32 & 64.

SteamID Converter.py

def steamid_convert(given_id):
    steam64id = 76561197960265728

    if "STEAM_0" in given_id or "STEAM_1" in given_id:
        id_split = given_id.split(":")
        steam64id += int(id_split[2]) * 2
        if id_split[1] == "1":
            steam64id += 1
        return_data = [given_id.replace("STEAM_0", "STEAM_1"), steam64id]
    elif given_id.isdigit() and len(given_id) == 17:
        y = int(given_id) - steam64id
        x = y % 2 
        return_data = ["STEAM_1:{}:{}".format(x, (y - x) // 2), given_id]
    else:
        return_data = False

    return return_data