as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
design an algorithm to remove duplicates from a given array.
user
def removeduplicates(arr): 
    # create an empty list 
    res = [] 
   
    # iterate over original array 
    for i in arr: 
        # if element is not in the result already, add it
        if i not in res: 
            res.append(i) 
  
    # return the result 
    return res
assistant