code: def test_ref_write():
      ref = relay.expr.RefCreate(relay.const(1.0))
      r = relay.expr.RefWrite(ref, relay.const(2.0))
      check_visit(r)
  
imports: import tvm
  from tvm import te
  from tvm import relay
  from tvm.relay import ExprFunctor, ExprMutator, ExprVisitor
label_desc: Use image node_id 13 for calling a global function with example usage: test_ref_write() without return types