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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 get_item_string(items_list):
 """ take in a list of pmag_objects return a colon-delimited list of the findable names """

    if not items_list:
        return ''
    string_list = []
    for item in items_list:
        try:
            name = item.name
            string_list.append(name)
        except AttributeError:
            pass
    return ":".join(string_list)