Implement a Write-Ahead Log (WAL) based key-value store with crash recovery. The store must persist data to…

Implement a Write-Ahead Log (WAL) based key-value store with crash recovery. The store must persist data to…: a task in TermGrade Environments: 1,004 executable Linux tasks (Harbor dataset). Goal : Create a Python script /app/kvstore.py that implements a persistent key-value store with these exact…

The task

**Goal**: Create a Python script `/app/kvstore.py` that implements a persistent key-value store with these exact commands:

Part of ai-and/termgrade-environments.