parameters: (self, writer, opening, closing)
docstring: Create a block.
docstring_summary: Create a block.
docstring_tokens: Create a block .
function: def __init__(self, writer, opening, closing):
          # type: (IndentedTextWriter, unicode, unicode) -> None
          """Create a block."""
          self._writer = writer
          self._opening = opening
          self._closing = closing
function_tokens: def __init__ ( self , writer , opening , closing ) : # type: (IndentedTextWriter, unicode, unicode) -> None self . _writer = writer self . _opening = opening self . _closing = closing