<|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
Edit the given function in Python to convert the given list of integers a into a multidimensional list of size len(a) X len(a).
def convert_to_multi(a):
    return [a]<|im_end|>
<|im_start|>assistant
def convert_to_multi(a):
    result = []
    for i in range(len(a)):
        row = []
        for j in range(len(a)):
            row.append(a[j])
        result.append(row)
    return result<|im_end|>
