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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 extract_key_values(array_value, separators=(';', ',', ':'), **kwargs):
 """Serialize array of objects with simple key-values """

    items_sep, fields_sep, keys_sep = separators
    return items_sep.join(fields_sep.join(keys_sep.join(x) for x in sorted(it.items()))
                          for it in array_value)