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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 template(client, src, dest, paths, opt):
 """Writes a template using variables from a vault path"""

    key_map = cli_hash(opt.key_map)
    obj = {}
    for path in paths:
        response = client.read(path)
        if not response:
            raise aomi.exceptions.VaultData("Unable to retrieve %s" % path)
        if is_aws(response['data']) and 'sts' not in path:
            renew_secret(client, response, opt)

        for s_k, s_v in response['data'].items():
            o_key = s_k
            if s_k in key_map:
                o_key = key_map[s_k]

            k_name = secret_key_name(path, o_key, opt) \
                .lower() \
                .replace('-', '_')
            obj[k_name] = s_v

    template_obj = blend_vars(obj, opt)
    output = render(grok_template_file(src),
                    template_obj)
    write_raw_file(output, abspath(dest))