[
  {"messages": [{"role": "system", "content": "You are a helpful coding assistant."}, {"role": "user", "content": "Write a Python function to sort a list"}, {"role": "assistant", "content": "def sort_list(lst):\n    return sorted(lst)"}], "tools": []},
  {"messages": [{"role": "system", "content": "You are a helpful coding assistant."}, {"role": "user", "content": "How do I reverse a string in Python?"}, {"role": "assistant", "content": "Use slicing: string[::-1]"}], "tools": []},
  {"messages": [{"role": "system", "content": "You are a helpful coding assistant."}, {"role": "user", "content": "What's the best way to read a file?"}, {"role": "assistant", "content": "Use: with open('file.txt') as f:\n    content = f.read()"}], "tools": []}
]