<|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
Program a function to remove all the even numbers from an array
<|im_end|>
<|im_start|>assistant
def remove_even(arr):
    new_arr = []
    for num in arr:
        if num % 2 != 0:
            new_arr.append(num)
    return new_arr<|im_end|>
