class_docstr: Methods in this class recursively traverse an AST and
  output source code for the abstract syntax; original formatting
  is disregarged.
code: def _Or(self, t):
      self._write(" (")
      for i, node in enumerate(t.nodes):
          self._dispatch(node)
          if i != len(t.nodes) - 1:
              self._write(") or (")
      self._write(")")
  
imports: import sys
  from compiler.ast import Const, Name, Tuple, Div, Mul, Sub, Add
label_desc: Use image node_id 37 for calling the UnparseCompilerAst obj's underlying member method code with example usage: obj._Or(t) without return types