code: def _f3_mapping(x):
      return x + 1
  
file_path: pandas/pandas/tests/util/test_deprecate_kwarg.py
imports: import pytest
  from pandas.util._decorators import deprecate_kwarg
  import pandas._testing
label_desc: Use image node_id 3 for calling a global function with example usage: _f3_mapping(x) and returns: unknown