def namelist(names):
    name = []
    if not names:
        return ''
    for dic in names:
        for value in dic.values():
            name.append(value)
    for index in range(len(name)):
        if index > len(name) - 2:
            name.insert(-1, '&')
            if index == 0:
                name.reverse()
                name.pop()
    return ', '.join(name)