You have three CSV files in /home/user/data/ that need to be cleaned, transformed, and merged into a final…

You have three CSV files in /home/user/data/ that need to be cleaned, transformed, and merged into a final…: a task in Repo2RLEnv DataArc terminal synthesis (Envs-FORGE-linked code) (Harbor dataset). Input files (already present): 1. /home/user/data/sales.csv — columns: order…

The task

**Input files (already present):** 1. `/home/user/data/sales.csv` — columns: `order_id,product,region,amount,date` 2. `/home/user/data/customers.csv` — columns: `order_id,customer_name,email,country` 3. `/home/user/data/returns.csv` — columns: `order_id,return_reason,refund_amount`

Part of FineEnvs/repo2rlenv-dataarc.