code: def test_unicode_9_vs16():
      """Verify effect of VS-16 on unicode_version 9.0 and later"""
      phrase = (
          "\u2640"  # FEMALE SIGN
          "\uFE0F"
      )  # VARIATION SELECTOR-16
  
      expect_length_each = (1, 0)
      expect_length_phrase = 2
  
      # exercise,
      length_each = tuple(
          wcwidth.wcwidth(w_char, unicode_version="9.0")
          for w_char in phrase
      )
      length_phrase = wcwidth.wcswidth(phrase, unicode_version="9.0")
  
      # verify.
      assert length_each == expect_length_each
      assert length_phrase == expect_length_phrase
  
file_path: catboost/contrib/python/wcwidth/py2/tests/test_emojis.py
imports: import os
  import codecs
  import pytest
  import wcwidth
label_desc: Use image node_id 10 for calling a global function with example usage: test_unicode_9_vs16() without return types