parameters: (mode = "r", **options)
return_statement: return None
docstring: Ask for a filename to open, and returned the opened file
docstring_summary: Ask for a filename to open, and returned the opened file
docstring_tokens: Ask for a filename to open and returned the opened file
function: def askopenfile(mode = "r", **options):
      "Ask for a filename to open, and returned the opened file"
  
      filename = Open(**options).show()
      if filename:
          return open(filename, mode)
      return None
function_tokens: def askopenfile ( mode = "r" , * * options ) : filename = Open ( * * options ) . show ( ) if filename : return open ( filename , mode ) return None