import requests

# Check available API symbols
try:
    resp = requests.get('https://api.mexc.com/api/v3/defaultSymbols')
    data = resp.json()
    print('Available API symbols:')
    api_symbols = data.get('data', [])
    
    # Show first 10
    for i, symbol in enumerate(api_symbols[:10]):
        print(f'  {i+1}. {symbol}')
    print(f'  ... and {len(api_symbols) - 10} more')
    
    # Check for common symbols
    test_symbols = ['ETHUSDT', 'BTCUSDT', 'MXUSDT', 'BNBUSDT']
    print('\nChecking test symbols:')
    for symbol in test_symbols:
        if symbol in api_symbols:
            print(f'✅ {symbol} is available for API trading')
        else:
            print(f'❌ {symbol} is NOT available for API trading')
            
    # Find a good symbol to test with
    print('\nRecommended symbols for testing:')
    common_symbols = [s for s in api_symbols if 'USDT' in s][:5]
    for symbol in common_symbols:
        print(f'  - {symbol}')
        
except Exception as e:
    print(f'Error: {e}')