Here is a step-by-step guide to help you manage multiple websocket connections to get prices of three cryptocurrency pairs on Binance:

Prerequisites

• You have a Binance API account and can create an app with app_id and secret_id.

• You have installed the websocket-client library in your Python project. If not, you can install it using pip install websocket-client.

Code

For Bitcoin (BTC), Ethereum (ETH), and Litecoin (LTC) prices, here is a sample code that demonstrates how to connect to three different websocket streams:

import websocket
import time

Replace with your API credentials
api_id = "your_api_id"
api_secret = "your_api_secret"

Replace with stream URLs
stream_urls = [
"wss://binance.com/ws?symbol=BTCUSDT&type=limit&stream=order_book&limit=100", #Bitcoin
"wss://binance.us/api/v3 WebSocket API ( websocket+limit+24h) ? symbol=ETHUSDT & type=order_book & stream=order_book & limit=10", #Ethereum
"wss://binance.com/ws?symbol=LTCCUSDT&type=limit&stream=order_book&limit=20" 
Litecoin
]

Initialize websocket connections
ws_btc = websocket . create_connection ( stream_urls [ 0 ] ) ;
ws_eth = websocket . create_connection ( stream_urls [ 1 ] ) ;
ws_ltc = websocket.create_connection(stream_urls[2]);

Function to update price streams
def update_price_stream(symbol, websocket):
while True:
try:

Get the current order book for the symbol
response = websocket.recv()
data = json . loads ( response ) ;
price = float(data["price"])
print(f"{symbol}:{price:.2f}")
except websocket.WebSocketException as e:
print(f"Error: {e}")

Start price stream updates
ws_btc.update_price_stream("BTCUSDT")
ws_eth.update_price_stream("ETHUSDT")
ws_ltc.update_price_stream("LTCCUSDT");

Run indefinitely until stopped
while True:
time.sleep(60)

Explanation

For Bitcoin (BTC), Ethereum (ETH), and Litecoin (LTC) prices, this code connects to three websocket streams. It defines a function update_price_stream that retrieves the current price from each stream every minute. The function uses the websocket.recv() method to receive messages from the websocket connection, which contains the current order book data in JSON format.

The main part of the code creates three websocket connections using the ws_create_connection() method and starts the price update loop by calling update_price_stream for each stream.

Note

: Make sure to replace your_api_id and your_api_secret with your actual Binance API credentials. Also, keep in mind that this is a simplified example and you may want to add additional error handling and logging depending on your specific use case.

Hope this helps! Let me know if you have any questions or need further assistance.