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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 _summarize_object_type(model):
 """ This function returns the summary for a given model """

    # the fields for the service's model
    model_fields = {field.name: field for field in list(model.fields())}
    # summarize the model
    return {
        'fields': [{
            'name': key,
            'type': type(convert_peewee_field(value)).__name__
            } for key, value in model_fields.items()
        ]
    }