code: def test_title():
      assert _compare_title(["a"]) == "a"
      assert (
          _compare_title(["a", "b"])
          == "<em>Comparing</em> a <em>and</em> b"
      )
      assert (
          _compare_title(["a", "b", "c"])
          == "<em>Comparing</em> a, b <em>and</em> c"
      )
  
file_path: ydata-profiling/tests/unit/test_comparison.py
imports: import numpy
  import pandas
  import pytest
  from ydata_profiling import ProfileReport, compare
  from ydata_profiling.compare_reports import _compare_title
label_desc: Use image node_id 7 for calling a global function with example usage: test_title() without return types