<|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
Write a function to check whether two lists are equal.
list1=[1,2,3,4,5]
list2=[1,2,3,4,5]<|im_end|>
<|im_start|>assistant
def equal(list1, list2):
    if len(list1) != len(list2):
        return False
    
    for i in range(len(list1)):
        if list1[i] != list2[i]:
            return False
    return True<|im_end|>
