code: def _visit_expr(self: Parser, node: doc.Expr) -> None:
      """The expression visiting method for ir module.
  
      Parameters
      ----------
      self : Parser
          The visiting parser.
  
      node : doc.ClassDef
          The doc AST expression node.
      """
      self.eval_expr(node.value)
  
file_path: tvm/python/tvm/script/parser/ir/parser.py
imports: from ...ir_builder import ir
  from .._core import Parser, dispatch, doc
label_desc: Use image node_id 3 for calling a global function with example usage: _visit_expr(node) without return types