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docs/ccxt/wiki/examples/py/async-binance-fetch-margin-balance-with-params.md

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+- [Async Binance Fetch Margin Balance With Params](./examples/py/)
+
+
+ ```python
+ # -*- coding: utf-8 -*-
+
+import asyncio
+import os
+import sys
+from pprint import pprint
+
+
+import ccxt.async_support as ccxt  # noqa: E402
+
+
+async def main():
+    exchange = ccxt.binance({
+        'apiKey': 'YOUR_API_KEY',
+        'secret': 'YOUR_SECRET',
+    })
+    while True:
+        try:
+            balance = await exchange.fetch_balance({'type': 'margin'})
+            pprint(balance)
+        except Exception as e:
+            print('fetch_balance() failed')
+            print(e)
+            break
+    await exchange.close()
+
+
+asyncio.run(main())
+ 
+```