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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 helper_add(access_token, ck_id, path, body):
    '''Helper Function to add strings to a URL path.

    Args:
        access_token (str): A valid Azure authentication token.
        ck_id (str): A CK ID.
        path (str): A URL Path.
        body (str): A Body.

    Returns:
        HTTP response. JSON body.
    '''
    full_path = ''.join([path, "('", ck_id, "')"])
    full_path_encoded = urllib.parse.quote(full_path, safe='')
    endpoint = ''.join([ams_rest_endpoint, full_path_encoded])
    return do_ams_put(endpoint, full_path_encoded, body, access_token, "json_only", "1.0;NetFx")