class_docstr: Calculate the Munkres solution to the classical assignment problem.
  See the module documentation for usage.
code: def __convert_path(self, path, count):
      for i in range(count + 1):
          if self.marked[path[i][0]][path[i][1]] == 1:
              self.marked[path[i][0]][path[i][1]] = 0
          else:
              self.marked[path[i][0]][path[i][1]] = 1
  
imports: import sys
label_desc: Use image node_id 18 for calling the Munkres obj's underlying member method code with example usage: obj.__convert_path(path, count) without return types