<|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
Create a function to check an array of strings and return a list of strings that have length of 5.
["Ironman", "Spiderman", "Hulk", "Captain America", "Thor"]<|im_end|>
<|im_start|>assistant
def filter_5_length(arr):
    res = []
    for string in arr:
        if len(string) == 5:
            res.append(string)
    return res<|im_end|>
