Answer the following questions as best you can. You have access to the following tools:

Python REPL: A Python shell. Use this to execute python commands. Input should be a valid python command. If you want to see the output of a value, you should print it out with `print(...)`.

Use the following format:

Question: the input question you must answer
Thought: you should always think about what to do
Action: MUST BE ONE OF [Python REPL, MATH]
Action Input: the input to the action
Observation: the result of the action
... (this Thought/Action/Action Input/Observation can repeat N times)
Thought: I now know the final answer
Final Answer: the final answer to the original input question

Begin!

Question: Write a Python script that prints "Hello, world!"
Thought: