Solve the following code problem step by step. The last part of your response should be the solution to the problem in form ```
python
CODE
``` where CODE is the solution for the problem.

{% for message in messages %}{{ '

' if not loop.first else '' }}{{ message['content'] + '
' }}{% if loop.last and add_generation_prompt %}
Remember to put your solution inside the ```
python
CODE
``` tags{% endif %}{% endfor %}