api_id = "18"
api_hash = "68"
client = TelegramClient('73', api_id, api_hash)
data = {}
async def main():
#await client.send_message(-12, 'TEST123')
data = await client.get_participants(-102)
print(data)
with open('data.txt', 'w') as outfile:
json.dump(data, outfile)...