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ritmex-bot/docs/ccxt/wiki/examples/py/instantiate-all-at-once.md
2025-10-03 15:28:16 +08:00

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- [Instantiate All At Once](./examples/py/)
```python
# -*- coding: utf-8 -*-
import os
import sys
import ccxt # noqa: E402
exchanges = {} # a placeholder for your instances
for id in ccxt.exchanges:
exchange = getattr(ccxt, id)
exchanges[id] = exchange()
# now exchanges dictionary contains all exchange instances...
exchanges['bittrex'].fetch_order_book('ETH/BTC')
```