code: def to_clipboard(self, sep=",", **kwargs):
      args = locals()
  
      pdf = pd.DataFrame(
          {"a": [1, 2, 3], "b": [4, 5, 6]}, index=[0, 1, 3]
      )
      validate_arguments_and_invoke_function(
          pdf, self.to_clipboard, pd.DataFrame.to_clipboard, args
      )
  
      # Support for **kwargs
      self.to_clipboard(sep=",", index=False)
  
imports: import pandas
  from pyspark.pandas.indexes.base import Index
  from pyspark.pandas.utils import lazy_property, validate_arguments_and_invoke_function, validate_bool_kwarg, validate_index_loc, validate_mode
  from pyspark.testing.pandasutils import PandasOnSparkTestCase, _assert_pandas_equal, _assert_pandas_almost_equal
  from pyspark.testing.sqlutils import SQLTestUtils
  from pyspark.errors import PySparkAssertionError
label_desc: Use image node_id 2 for calling the UtilsTestsMixin obj's underlying member method code with example usage: obj.to_clipboard(sep) without return types