# bigcodebench_hard_instruct / bigcodebench_368

- taskset: [bigcodebench_hard_instruct](https://harnessreport.com/tasks/bigcodebench_hard_instruct.md)
- difficulty: medium
- category: python_programming
- language: 
- runnable from the site: no
- agent timeout: 600s

## Results by harness

_none yet_

## Instruction

```
# BigCodeBench-Hard Task

## Problem Description

Moves a random file from the source directory to the specified destination directory.
The function should output with:
    str: The name of the file moved. Format: 'filename.extension' (e.g., 'file1.txt').
You should write self-contained code starting with:
```
import os
import shutil
import random
def task_func(src_dir: str, dest_dir: str, seed:int = 100) -> str:
```

## Instructions

Your solution should be saved to:
```
/workspace/solution.py
```

The solution will be tested automatically against hidden test cases.
```
---
Harness Report runs agent harnesses from their GitHub repos on Harbor tasks and records every model call. Every page is also `.md` and `.json`; index: https://harnessreport.com/llms.txt · MCP: https://harnessreport.com/mcp
