class_docstr: Coordinates of a syntactic element. Consists of:
  - File name
  - Line number
  - (optional) column number, for the Lexer
code: def __str__(self):
      str = "%s:%s" % (self.file, self.line)
      if self.column:
          str += ":%s" % self.column
      return str
  
file_path: catboost/contrib/python/pycparser/py3/pycparser/plyparser.py
imports: import warnings
label_desc: Use image node_id 2 for calling the Coord obj's underlying member method code with example usage: obj.__str__() and returns: str