code: def test_cast():
      obj = tir.Cast("float64", tir.Var("a", "float32"))
      _assert_print(
          obj,
          """
  a = T.float32()
  T.Cast("float64", 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 31 for calling a global function with example usage: test_cast() without return types