code: def getFilePathsWithExtensionsInDirectory(dirTree, patterns, sort=True):
      
      filePaths = []
      for root, dirs, files in os.walk(dirTree):
          for filePath in files:
              for pattern in patterns:
                  if fnmatch.fnmatch(filePath, pattern):
                      fullPath = os.path.join(root, filePath)
                      filePaths.append(fullPath)
                      break
      if sort:
          filePaths.sort()
      return filePaths
docs: Returns all file paths that match any one of patterns in a
      file tree with its root at dirTree.  Sorts the paths by default.