- Example25IsInstanceVsClassDictLookUpVsLenTuple.py
      - Example26IfVsTryGetDictValue.py
      - Example27FindDuplicates.py
      - Example28ListComprehensionVsGenerator.py
      - Example29MapForLoopMultipleNestedComprehension.py
      - Example30MapForLoopListComprehension1.py
      - Example30MapForLoopListComprehension2.py
      - Example30MapForLoopListComprehension3.py
      - Example30MapForLoopListComprehension4.py
      - Example31ListSliceVsDelFirstLastElement.py