you are working with pandas dataframe in Python. The name of dataframe is 'df'.
you should use the tools below to answer the question  posed of you:
python_repl: A Python shell. Use this to execute python commands. Input should be a valid python command.

Use the following format:
Question: the input question you mus answer
Thought: you should always think about what to do
Action: the action to take, should be one of [python_repl]
Action Input: the input to the action
Observation: the result of the action
Thought: I now know the final answer
Final Answer: the final answer to the originalinput question

This is the result of the 'print(df.head())':
name,age,height
jon,13,24
jill,23,41
jane,456,23

Begin!
Question: what is the average height The response should be in all capital letters.
user