摘要：1. 资料: [Rust 教程 | 菜鸟教程 (runoob.com)](https://www.runoob.com/rust/rust-tutorial.html) 2. cargo: 是rust的包管理器和构建系统 ```shell cargo build # 将当前目录下的项目进行编译 ca 阅读全文

摘要：```python import pandas as pd import pandasql as ps current = pd.read_csv("cur.csv") previous = pd.read_csv("pre.csv") sql = """ select c.`Unnamed: 0` 阅读全文