code: def test_string_interpolation_with_multiple_placeholders(self):
      def fn(arg1: str, arg2: int, arg3: float) -> str:
          return "%s %d %f in template" % (arg1, arg2, arg3)
  
      self.checkScript(fn, ("foo", 1, 1))
  
imports: import os
  import sys
  import torch
  from typing import List
  from torch.testing._internal.jit_utils import JitTestCase
label_desc: Use image node_id 18 for calling the TestStringFormatting obj's underlying member method code with example usage: obj.test_string_interpolation_with_multiple_placeholders() and returns: unknown