class_docstr: A pair of financial instruments to be traded on a specific exchange.
  
  Parameters
  ----------
  exchange : `Exchange`
      An exchange that contains the `pair` for trading.
  pair : `TradingPair`
      A trading pair available on the `exchange`.
docstr: The quoted price of the trading pair. (`Decimal`, read-only)
code: def price(self) -> "Decimal":
      """The quoted price of the trading pair. (`Decimal`, read-only)"""
      return self.exchange.quote_price(self.pair)
  
file_path: tensortrade/tensortrade/oms/instruments/exchange_pair.py
imports: from decimal import Decimal
label_desc: Use image node_id 2 for calling the ExchangePair obj's underlying member method code with example usage: obj.price() and returns: self