code: def test_get_all_handles_mixed_type_values(self):
      self.query_params["test"] = ["", "a", 1, 1.23]
      assert self.query_params.get_all("test") == ["", "a", "1", "1.23"]
  
imports: import pytest
  from streamlit.errors import StreamlitAPIException
  from streamlit.runtime.state.query_params import QueryParams
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 28 for calling the QueryParamsMethodTests obj's underlying member method code with example usage: obj.test_get_all_handles_mixed_type_values() without return types