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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 _encode_query(query):
 """Quote all values of a query string."""

    if query == '':
        return query
    query_args = []
    for query_kv in query.split('&'):
        k, v = query_kv.split('=')
        query_args.append(k + "=" + quote(v.encode('utf-8')))
    return '&'.join(query_args)