code: def test_sorted_acronym(self):
      assert fn.sortedAcronym("don 4l d") == {"4dd"}
      assert fn.sortedAcronym("donald 19 92") == {"19d"}
      assert fn.sortedAcronym("g 00f y  ") == {"0gy"}
      assert fn.sortedAcronym(" c1p   c10p ") == {"cc"}
  
imports: import unittest
  from dedupe import predicate_functions
  from dedupe.cpredicates import ngrams
label_desc: Use image node_id 22 for calling the TestPredicateFunctions obj's underlying member method code with example usage: obj.test_sorted_acronym() without return types