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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def uniquify(value, seen_values):
 """ Adds value to seen_values set and ensures it is unique """

    id = 1
    new_value = value
    while new_value in seen_values:
        new_value = "%s%s" % (value, id)
        id += 1
    seen_values.add(new_value)
    return new_value