def removeDuplicates(somelist):
    seen = set()
    result = []

    for i in somelist:
        if i not in seen:
            seen.add(i)
            result.append(i)

    return result

def main():
    #Create a list with duplicates
    somelist = [1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9]

    #Display the list
    print(somelist)

    #Use the remove duplicates function to remove duplicate values
    list_parsed = removeDuplicates(somelist)

    print(list_parsed)

if __name__ == "__main__":
    main()