<|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
Given the following array, remove all duplicates and return a new array with the remaining elements.
arr = [1, 2, 4, 3, 3, 2]<|im_end|>
<|im_start|>assistant
new_arr = list(set(arr))  # [1, 2, 3, 4]<|im_end|>
