code: def test_frequency_double_side_band_channel_containment():
      """Test the frequency double side band object: check if one band contains another."""
      frq_range = FrequencyDoubleSideBand(183, 7, 2)
  
      assert 175.5 in frq_range
      assert frq_range in FrequencyDoubleSideBand(183, 6.5, 3)
      assert frq_range not in FrequencyDoubleSideBand(183, 4, 2)
  
      with pytest.raises(NotImplementedError):
          assert frq_range in FrequencyDoubleSideBand(
              183, 6.5, 3, "MHz"
          )
  
      frq_range = None
      assert (frq_range in FrequencyDoubleSideBand(183, 3, 2)) is False
  
      assert "183" not in FrequencyDoubleSideBand(183, 3, 2)
  
imports: import unittest
  from datetime import datetime
  import numpy
  import pytest
  from satpy.dataset.dataid import DataID, DataQuery, ModifierTuple, WavelengthRange, minimal_default_keys_config
  from satpy.readers.pmw_channels_definitions import FrequencyDoubleSideBand, FrequencyQuadrupleSideBand, FrequencyRange
  from satpy.tests.utils import make_cid, make_dataid, make_dsq
label_desc: Use image node_id 17 for calling a global function with example usage: test_frequency_double_side_band_channel_containment() without return types