code: def test_size_var():
      a = tir.SizeVar("a", "float32")
      _assert_print(
          a,
          """
  a = T.float32(is_size_var=True)
  a""",
      )
  
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 28 for calling a global function with example usage: test_size_var() without return types