code: def test_assign_doc(lhs, rhs, annotation):
      doc = AssignDoc(lhs, rhs, annotation)
  
      assert doc.lhs == lhs
      assert doc.rhs == rhs
      assert doc.annotation == annotation
  
imports: import pytest
  import tvm
  from tvm.runtime import ObjectPath
  from tvm.script.printer.doc import AssertDoc, AssignDoc, AttrAccessDoc, CallDoc, ClassDoc, CommentDoc, DictDoc, DocStringDoc, ExprStmtDoc, ForDoc, FunctionDoc, IdDoc, IfDoc, IndexDoc, LambdaDoc, ListDoc, LiteralDoc, OperationDoc, OperationKind, ReturnDoc, ScopeDoc, SliceDoc, StmtBlockDoc, TupleDoc, WhileDoc
label_desc: Use image node_id 16 for calling a global function with example usage: test_assign_doc(lhs, rhs, annotation) without return types