code: def test_period_comparison_mismatched_freq(self):
      jan = Period("2000-01", "M")
      day = Period("2012-01-01", "D")
  
      assert not jan == day
      assert jan != day
      msg = r"Input has different freq=D from Period\(freq=M\)"
      with pytest.raises(IncompatibleFrequency, match=msg):
          jan < day
      with pytest.raises(IncompatibleFrequency, match=msg):
          jan <= day
      with pytest.raises(IncompatibleFrequency, match=msg):
          jan > day
      with pytest.raises(IncompatibleFrequency, match=msg):
          jan >= day
  
imports: from datetime import timedelta
  import numpy
  import pytest
  from pandas._libs.tslibs.period import IncompatibleFrequency
  from pandas import NaT, Period, Timedelta, Timestamp, offsets
label_desc: Use image node_id 3 for calling the TestPeriodComparisons obj's underlying member method code with example usage: obj.test_period_comparison_mismatched_freq() without return types