code: def test_traditional():
      assert filesize.decimal(0) == "0 bytes"
      assert filesize.decimal(1) == "1 byte"
      assert filesize.decimal(2) == "2 bytes"
      assert filesize.decimal(1000) == "1.0 kB"
      assert filesize.decimal(1.5 * 1000 * 1000) == "1.5 MB"
      assert filesize.decimal(0, precision=2) == "0 bytes"
      assert filesize.decimal(1111, precision=0) == "1 kB"
      assert filesize.decimal(1111, precision=1) == "1.1 kB"
      assert filesize.decimal(1111, precision=2) == "1.11 kB"
      assert filesize.decimal(1111, separator="") == "1.1kB"
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_traditional() without return types