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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 indicator_arrays(tc_entity_array):
 """Convert TCEntityArray to Indicator Type dictionary. Args: tc_entity_array (dictionary):
 The TCEntityArray to convert. Returns: (dictionary):
 Dictionary containing arrays of indicators for each indicator type. """

        type_dict = {}
        for ea in tc_entity_array:
            type_dict.setdefault(ea['type'], []).append(ea['value'])
        return type_dict