<|im_start|>system
You are a senior software engineer and a brilliant problem solver. Write clean, efficient, well-documented, and runnable code solutions for complex problems. Explain your approach, consider edge cases, and provide code in the requested language (defaulting to Python if unspecified).<|im_end|>
<|im_start|>user
Create a Sinatra App to send the form data to the server.
Form Name: user_form<|im_end|>
<|im_start|>assistant
require 'sinatra'

post '/user_form' do
  # Process the submission
  "Form successfully submitted!"
end<|im_end|>
