用大白话讲，Lean是一个「事件驱动型量化交易引擎」——简单说就是它能自动盯着市场数据（比如股价波动、成交量变化），一旦触发你设定的条件（比如均线交叉、RSI超买），就会自动执行对应的交易操作。

Welcome to the Python Learning Roadmap in 30 Days! This project is designed to guide you through a structured 30-day journey to learn the Python programming language from scratch and master its ...