The problem is, how do you print the information tabs on the open shelves?
Inventors quantify - small dreamsThis means that your screenshot here shows how the code should be designed. Is that what it means? What's up? exchange.Buy ((price, amount, extParam1, extParam2,....) is the name of the exchange. What's up? Functions such as exchange.Buy, which can generate logs, add attached parameters and output them in the log.