<|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
Sum the elements of a given array and print the result.
array = [2, -7, 4, 5]<|im_end|>
<|im_start|>assistant
s = sum(array)
print(s)<|im_end|>
