<|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 function 'greet' that takes a string parameter 'name' and returns the string 'Hello name!'
<|im_end|>
<|im_start|>assistant
function greet(name) {
  return 'Hello ' + name + '!';
}<|im_end|>
