<|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
Write a JavaScript program that will console log the first 10 numbers of the Fibonacci sequence.
<|im_end|>
<|im_start|>assistant
let x = 0;
let y = 1;

for (let i = 0; i < 10; i++) {
 let z = x + y;
 console.log(z);
 x = y;
 y = z;
}<|im_end|>
