code: def test_iter_var():
      a = tir.IterVar((0, 8), "a", iter_type=tir.IterVar.DataPar)
      _assert_print(
          a,
          """
  a = T.int32()
  T.iter_var(a, T.Range(0, 8), "DataPar", "")
  """,
      )
  
imports: import re
  import tvm.testing
  from tvm import ir, tir
  from tvm.ir import Range
  from tvm.script.ir_builder import IRBuilder
  from tvm.script.ir_builder import tir
label_desc: Use image node_id 29 for calling a global function with example usage: test_iter_var() without return types