diff --git a/SoftwareGuide/Examples/ParseCxxExamples.py b/SoftwareGuide/Examples/ParseCxxExamples.py
index 247a01a6..3410bbdd 100755
--- a/SoftwareGuide/Examples/ParseCxxExamples.py
+++ b/SoftwareGuide/Examples/ParseCxxExamples.py
@@ -32,17 +32,17 @@ def __init__(self, sourceFile, id, codeblock):
     def Print(self):
         blockline = self.id
         print("=" * 80)
-        print("{0} : {1}".format(self.blockType, self.sourceFile))
+        print(f"{self.blockType} : {self.sourceFile}")
         for blocktext in self.codeblock:
             blockline += 1
-            print("{0}  : {1}".format(blockline, blocktext))
+            print(f"{blockline}  : {blocktext}")
         print("^" * 80)
 
     def GetCodeBlockString(self):
         blockstring = ""
         if self.blockType == "Latex":
             for blocktext in self.codeblock:
-                blockstring += "{0}\n".format(blocktext)
+                blockstring += f"{blocktext}\n"
             pass
         elif self.blockType == "CodeSnippet":
             # blockstring += "\\small\n"
@@ -51,7 +51,7 @@ def GetCodeBlockString(self):
             blockstring += "\\begin{minted}[baselinestretch=1,fontsize=\\footnotesize,linenos=false,bgcolor=ltgray]{c++}\n"
             # blockstring += "\\begin{minted}[baselinestretch=1,fontsize=\small,linenos=false,bgcolor=ltgray]{c++}\n"
             for blocktext in self.codeblock:
-                blockstring += "{0}".format(blocktext)
+                blockstring += f"{blocktext}"
             blockstring += "\\end{minted}\n"
             # blockstring += "\\end{itklisting}\n"
             # blockstring += "\\end{verbatim}\n";
@@ -109,17 +109,13 @@ def ParseOneFile(sourceFile):
                 if checkForBlankLine:
                     if thisline != "":
                         print(
-                            "{filename}:{line}: warning: Line after start of LaTeX block should be a newline -- instead got {value}".format(
-                                filename=sourceFile, line=parseLine, value=thisline
-                            )
+                            f"{sourceFile}:{parseLine}: warning: Line after start of LaTeX block should be a newline -- instead got {thisline}"
                         )
                     checkForBlankLine = False
 
             if not isLatexBlock and (len(thisline) > 80):
                 print(
-                    "{filename}:{line}:80: warning: Line length too long for LaTeX printing".format(
-                        filename=sourceFile, line=parseLine
-                    )
+                    f"{sourceFile}:{parseLine}:80: warning: Line length too long for LaTeX printing"
                 )
             codeBlock.append(thisline)
         else:  # non-codeBlock line
@@ -130,20 +126,18 @@ def ParseOneFile(sourceFile):
 def GetPreambleString(examplefilename):
     # The following message is a warning writen on the generated .tex
     # files for preventing them from being manualy edited.
-    preamble = """
+    preamble = f"""
 % Please do NOT edit this file.
 % It has been automatically generated
 % by a perl script from the original cxx sources
 % in the Insight/Examples directory
 
 % Any changes should be made in the file
-% {0}
+% {examplefilename}
 
 The source code for this section can be found in the file\\\\
-\\texttt{2}{1}{3}.
-""".format(
-        examplefilename, os.path.basename(examplefilename), "{", "}"
-    )
+\\texttt{{{os.path.basename(examplefilename)}}}.
+"""
     return preamble
 
 
@@ -151,12 +145,12 @@ def GetPreambleString(examplefilename):
     import sys
 
     if len(sys.argv) < 2:
-        print("Usage: {0} <input file> <output file>".format(argv[0]))
+        print(f"Usage: {argv[0]} <input file> <output file>")
         sys.exit(-1)
 
     inputfilename = sys.argv[1]
     outputfilename = sys.argv[2]
-    print("Processing {0} into {1}  ... \n".format(inputfilename, outputfilename))
+    print(f"Processing {inputfilename} into {outputfilename}  ... \n")
 
     thisCodeBlocks = ParseOneFile(inputfilename)
 
diff --git a/SoftwareGuide/Examples/RunExamples.py b/SoftwareGuide/Examples/RunExamples.py
index aca8d818..7db6535e 100644
--- a/SoftwareGuide/Examples/RunExamples.py
+++ b/SoftwareGuide/Examples/RunExamples.py
@@ -65,9 +65,7 @@ def __init__(self, sourceFile, id, codeblock, pathFinder):
         self.children = set()
         if not os.path.exists(self.progFullPath):
             print(
-                "ERROR:  Required program {0} does not exists.  Please rebuild ITK".format(
-                    self.progBaseName
-                )
+                f"ERROR:  Required program {self.progBaseName} does not exists.  Please rebuild ITK"
             )
             sys.exit(-1)
 
@@ -81,43 +79,43 @@ def DoInputsExists(self):
             if ii == None:
                 continue
             if not os.path.exists(ii):
-                print("ERROR:  XXXXXXXXXXXX MISSING {0}".format(ii))
+                print(f"ERROR:  XXXXXXXXXXXX MISSING {ii}")
                 return False
         return True
 
     def AreOutputsNewer(self):
         oldest_output = 100000000000000000000000
         if self.verbose:
-            print("Self Outputs {0}".format(self.outputs))
-            print("Self Inputs {0}".format(self.inputs))
+            print(f"Self Outputs {self.outputs}")
+            print(f"Self Inputs {self.inputs}")
         for o in self.outputs:
             if self.verbose:
-                print("CHECKING TIME FOR: {0}".format(o))
+                print(f"CHECKING TIME FOR: {o}")
             if os.path.exists(o):
                 this_output_time = os.path.getmtime(o)
                 if self.verbose:
-                    print("This Ouptut Time: {0}".format(this_output_time))
+                    print(f"This Ouptut Time: {this_output_time}")
                 if this_output_time < oldest_output:
                     oldest_output = this_output_time
             else:
                 if self.verbose:
-                    print("Missing Output: {0}".format(o))
+                    print(f"Missing Output: {o}")
                 return False
         newest_input = os.path.getmtime(self.progFullPath)
         for i in self.inputs:
             if i == None:
                 continue
             if self.verbose:
-                print("CHECKING TIME FOR: {0}".format(i))
+                print(f"CHECKING TIME FOR: {i}")
             if os.path.exists(i):
                 this_input_time = os.path.getmtime(i)
                 if self.verbose:
-                    print("This Input Time: {0}".format(this_input_time))
+                    print(f"This Input Time: {this_input_time}")
                 if this_input_time > newest_input:
                     newest_input = this_input_time
             else:
-                print("Missing input {0}".format(i))
-                print("Searched {0}".format(self.inputs))
+                print(f"Missing input {i}")
+                print(f"Searched {self.inputs}")
                 print("ERROR:" * 20)
                 print(
                     "Failing to process all data, This should never happen because you should only run this function once all inputs exists."
@@ -126,11 +124,7 @@ def AreOutputsNewer(self):
                     -1
                 )  # This should never happen because you should only run this function once all inputs exists.
         if self.verbose:
-            print(
-                "Newest Input: {0}, Oldest Output: {1}".format(
-                    newest_input, oldest_output
-                )
-            )
+            print(f"Newest Input: {newest_input}, Oldest Output: {oldest_output}")
         if newest_input < oldest_output:
             return True
         else:
@@ -145,9 +139,7 @@ def GetCommandLine(self):
             parseGroups = lineparse.search(currLine)
             if parseGroups == None:
                 print(
-                    "ERROR: Invalid parsing of {0} at line {1}".format(
-                        self.sourceFile, currLineNumber
-                    )
+                    f"ERROR: Invalid parsing of {self.sourceFile} at line {currLineNumber}"
                 )
                 sys.exit(-1)
             if parseGroups.group(1) == "INPUTS":
@@ -155,9 +147,7 @@ def GetCommandLine(self):
                 inputFileName = pathFinder.GetInputPath(inputBaseFileName)
                 if inputFileName == None:
                     print(
-                        "ERROR: Invalid input {0} at {1} at line {2}".format(
-                            parseGroups.group(2), self.sourceFile, currLineNumber
-                        )
+                        f"ERROR: Invalid input {parseGroups.group(2)} at {self.sourceFile} at line {currLineNumber}"
                     )
                     exit(-1)
                 else:
@@ -166,9 +156,7 @@ def GetCommandLine(self):
                         inputFileName = pathFinder.GetOutputPath(inputBaseFileName)
                     if not os.path.exists(inputFileName):
                         print(
-                            "WARNING: Can not find {0} path, assuming it is autogenerated".format(
-                                inputFileName
-                            )
+                            f"WARNING: Can not find {inputFileName} path, assuming it is autogenerated"
                         )
                     self.inputs.append(inputFileName)
             elif parseGroups.group(1) == "OUTPUTS":
@@ -212,9 +200,7 @@ def MakeAllFileLists(self):
                 pass
             else:
                 print(
-                    "ERROR:  INVALID LINE IDENTIFIER {0} at line {1} in {2}".format(
-                        parseGroups.group(1), lineNumber, self.sourceFile
-                    )
+                    f"ERROR:  INVALID LINE IDENTIFIER {parseGroups.group(1)} at line {lineNumber} in {self.sourceFile}"
                 )
                 sys.exit(-1)
 
@@ -224,7 +210,7 @@ def Print(self):
         print(self.sourceFile)
         for blocktext in self.codeblock:
             blockline += 1
-            print("{0}  : {1}".format(blockline, blocktext))
+            print(f"{blockline}  : {blocktext}")
         print(self.GetCommandLine())
         print("^" * 80)
 
@@ -300,9 +286,7 @@ def __init__(self, itkSourceDir, itkExecutablesDir, itkBuildDir, SWGuidBaseOutpu
         mkdir_p(self.outPicDir)
 
         # HACK:  Need beter search criteria
-        searchPaths = "{0}/ExternalData/Testing/Data/Input#{0}/ExternalData/Examples/Data/BrainWeb#{0}/Testing/Temporary#{0}/Modules/Nonunit/Review/test#{0}/ExternalData/Modules/Segmentation/LevelSetsv4/test/Baseline#{0}/ExternalData/Modules/IO/GE/test/Baseline#{0}/ExternalData/Examples/Filtering/test/Baseline#{0}/Examples/Segmentation/test#{1}/Art/Generated#{2}/Examples/Data".format(
-            itkBuildDir, SWGuidBaseOutput, itkSourceDir
-        )
+        searchPaths = f"{itkBuildDir}/ExternalData/Testing/Data/Input#{itkBuildDir}/ExternalData/Examples/Data/BrainWeb#{itkBuildDir}/Testing/Temporary#{itkBuildDir}/Modules/Nonunit/Review/test#{itkBuildDir}/ExternalData/Modules/Segmentation/LevelSetsv4/test/Baseline#{itkBuildDir}/ExternalData/Modules/IO/GE/test/Baseline#{itkBuildDir}/ExternalData/Examples/Filtering/test/Baseline#{itkBuildDir}/Examples/Segmentation/test#{SWGuidBaseOutput}/Art/Generated#{itkSourceDir}/Examples/Data"
         dirtyDirPaths = searchPaths.split("#")
 
         self.searchDirList = []
@@ -310,7 +294,7 @@ def __init__(self, itkSourceDir, itkExecutablesDir, itkBuildDir, SWGuidBaseOutpu
             if os.path.isdir(eachpath):
                 self.searchDirList.append(os.path.realpath(eachpath))
             else:
-                print("WARNING: MISSING search path {0} ".format(eachpath))
+                print(f"WARNING: MISSING search path {eachpath} ")
                 sys.exit(-1)
 
     def GetProgramPath(self, execfilenamebase):
@@ -320,7 +304,7 @@ def GetProgramPath(self, execfilenamebase):
         if os.path.exists(testPath):
             return testPath
         else:
-            print("ERROR:  {0} does not exists".format(testPath))
+            print(f"ERROR:  {testPath} does not exists")
             sys.exit(-1)
 
     def GetInputPath(self, inputBaseName):
@@ -329,7 +313,7 @@ def GetInputPath(self, inputBaseName):
             if os.path.exists(testPath):
                 return testPath
             else:
-                # print('##STATUS: Not yet found input {0}'.format(testPath))
+                # print(f"##STATUS: Not yet found input {testPath}")
                 pass
         return self.GetOutputPath(inputBaseName)
 
@@ -337,7 +321,7 @@ def GetOutputPath(self, outputBaseName):
         outPath = os.path.join(self.outPicDir, outputBaseName)
         # outPath = outPath.replace(self.outPicDir+'/'+self.outPicDir, self.outPicDir ) #Avoid multiple path concatenations
         # if not os.path.exists(outPath):
-        # print("@@Warning: Output missing {0}".format(outPath))
+        # print(f"@@Warning: Output missing {outPath}")
         return outPath
 
 
@@ -424,12 +408,12 @@ def GetSortedCodeBlockList(self):
     allCommandBlocks = []
     for rootDir, dirList, fileList in os.walk(args.itkSourceDir):
         if rootDir.count("ThirdParty") >= 1:
-            # print("Passing on: {0}".format(rootDir))
+            # print(f"Passing on: {rootDir}")
             continue
 
         for currFile in fileList:
             if currFile[-4:] != ".cxx":  # Only parse cxx files
-                # print("NOT PARSING: {0} because it has wrong extension {1}".format(currFile,currFile[-r:]))
+                # print(f"NOT PARSING: {currFile} because it has wrong extension {currFile[-r:]}")
                 continue
             sourceFile = os.path.realpath(rootDir + "/" + currFile)
 
@@ -442,8 +426,8 @@ def GetSortedCodeBlockList(self):
         runCommand = blockStart.GetCommandLine()
         for inputFile in blockStart.inputs:
             if not os.path.exists(inputFile):
-                print("WARNING: {0} input does not exist".format(blockStart.sourceFile))
-        print("Running: {0}".format(runCommand))
+                print(f"WARNING: {blockStart.sourceFile} input does not exist")
+        print(f"Running: {runCommand}")
         try:
             retcode = subprocess.call(runCommand, shell=True)
             if retcode < 0:
@@ -462,16 +446,12 @@ def GetSortedCodeBlockList(self):
         for outputFile in block.outputs:
             if not os.path.exists(outputFile):
                 print(
-                    "WARNING: output {0} of {1} does not exist!".format(
-                        outputFile, baseProgramName
-                    )
+                    f"WARNING: output {outputFile} of {baseProgramName} does not exist!"
                 )
         for inputFile in block.inputs:
             if not os.path.exists(inputFile):
                 print(
-                    "WARNING: input {0} of {1} does not exist!".format(
-                        inputFile, baseProgramName
-                    )
+                    f"WARNING: input {inputFile} of {baseProgramName} does not exist!"
                 )
         dependencyDictionary[baseProgramName].extend(block.outputs)
         for inputFile in block.inputs:
@@ -489,17 +469,16 @@ def GetSortedCodeBlockList(self):
     outputCDFile = open(outputCMakeDependancies, "w")
     allDependencies = "set(allEPS-DEPS "
     for baseName in dependencyDictionary.keys():
-        outstring = 'set("{name}-DEPS" '.format(name=baseName)
-        allDependencies += ' "${' + "{name}-DEPS".format(name=baseName) + '}" '
+        outstring = f'set("{baseName}-DEPS" '
+        allDependencies += ' "${' + f"{baseName}-DEPS" + '}" '
         for output in dependencyDictionary[baseName]:
             epsOutput = os.path.join(
                 outputEPSDirectory, os.path.basename(output.replace(".png", ".eps"))
             )
-            outstring += ' "{epsOutput}"'.format(epsOutput=epsOutput.replace("\\", "/"))
+            # chr(92) is backslash
+            outstring += f' "{epsOutput.replace(chr(92), "/")}"'
             outputCDFile.write(
-                'CONVERT_INPUT_IMG("{0}" "{1}" "{2}")\n'.format(
-                    output.replace("\\", "/"), epsOutput.replace("\\", "/"), ""
-                )
+                f'CONVERT_INPUT_IMG("{output.replace(chr(92), "/")}" "{epsOutput.replace(chr(92), "/")}" "")\n'
             )
         outstring += ")\n"
         outputCDFile.write(outstring)