code: def test_str_ops(self):
      def test_str_is(
          s: str,
      ) -> Tuple[
          bool,
          bool,
          bool,
          bool,
          bool,
          bool,
          bool,
          bool,
          bool,
          bool,
          bool,
      ]:
          return (
              s.isupper(),
              s.islower(),
              s.isdigit(),
              s.isspace(),
              s.isalnum(),
              s.isalpha(),
              s.isdecimal(),
              s.isnumeric(),
              s.isidentifier(),
              s.istitle(),
              s.isprintable(),
          )
  
      def test_str_to(s: str) -> Tuple[str, str, str, str, str]:
          return (
              s.upper(),
              s.lower(),
              s.capitalize(),
              s.title(),
              s.swapcase(),
          )
  
      def test_str_strip(s: str) -> Tuple[str, str, str]:
          return (
              s.lstrip(),
              s.rstrip(),
              s.strip(),
          )
  
      def test_str_strip_char_set(
          s: str, char_set: str
      ) -> Tuple[str, str, str]:
          return (
              s.lstrip(char_set),
              s.rstrip(char_set),
              s.strip(char_set),
          )
  
      inputs = [
          "",
          "12a",
          "!B",
          "12",
          "a",
          "B",
          "aB",
          "$12",
          "B12",
          "AB ",
          "  \t",
          "  \n",
          "\na",
          "abc",
          "123.3",
          "s a",
          "b12a ",
          "more strings with spaces",
          "Titular Strings",
          "\x0acan'tprintthis",
          "spaces at the end ",
          " begin",
      ]
  
      def test_str_center(i: int, s: str) -> str:
          return s.center(i)
  
      def test_str_center_fc(i: int, s: str) -> str:
          return s.center(i, "*")
  
      def test_str_center_error(s: str) -> str:
          return s.center(10, "**")
  
      def test_ljust(s: str, i: int) -> str:
          return s.ljust(i)
  
      def test_ljust_fc(s: str, i: int, fc: str) -> str:
          return s.ljust(i, fc)
  
      def test_ljust_fc_err(s: str) -> str:
          return s.ljust(10, "**")
  
      def test_rjust(s: str, i: int) -> str:
          return s.rjust(i)
  
      def test_rjust_fc(s: str, i: int, fc: str) -> str:
          return s.rjust(i, fc)
  
      def test_rjust_fc_err(s: str) -> str:
          return s.rjust(10, "**")
  
      def test_zfill(s: str, i: int) -> str:
          return s.zfill(i)
  
      for input in inputs:
          self.checkScript(test_str_is, (input,))
          self.checkScript(test_str_to, (input,))
          self.checkScript(test_str_strip, (input,))
          for char_set in ["abc", "123", " ", "\t"]:
              self.checkScript(
                  test_str_strip_char_set, (input, char_set)
              )
          for i in range(7):
              self.checkScript(
                  test_str_center,
                  (
                      i,
                      input,
                  ),
              )
              self.checkScript(
                  test_str_center_fc,
                  (
                      i,
                      input,
                  ),
              )
              self.checkScript(test_ljust, (input, i))
              self.checkScript(test_ljust_fc, (input, i, "*"))
              self.checkScript(test_rjust, (input, i))
              self.checkScript(test_rjust_fc, (input, i, "*"))
              self.checkScript(test_zfill, (input, i))
  
      with self.assertRaises(Exception):
          test_str_center_error("error")
          test_ljust("error")
  
      def test_count() -> (
          Tuple[
              int, int, int, int, int, int, int, int, int, int, int, int
          ]
      ):
          return (
              "hello".count("h"),
              "hello".count("h", 0, 1),
              "hello".count("h", -3),
              "hello".count("h", -10, 1),
              "hello".count("h", 0, -10),
              "hello".count("h", 0, 10),
              "hello".count("ell"),
              "hello".count("ell", 0, 1),
              "hello".count("ell", -3),
              "hello".count("ell", -10, 1),
              "hello".count("ell", 0, -10),
              "hello".count("ell", 0, 10),
          )
  
      self.checkScript(test_count, ())
  
      def test_endswith() -> (
          Tuple[
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
          ]
      ):
          return (
              "hello".endswith("lo"),
              "hello".endswith("lo", 0),
              "hello".endswith("lo", -2),
              "hello".endswith("lo", -8),
              "hello".endswith("lo", 0, -5),
              "hello".endswith("lo", -2, 3),
              "hello".endswith("lo", -8, 4),
              "hello".endswith("l"),
              "hello".endswith("l", 0),
              "hello".endswith("l", -2),
              "hello".endswith("l", -8),
              "hello".endswith("l", 0, -5),
              "hello".endswith("l", -2, 3),
              "hello".endswith("l", -8, 4),
          )
  
      self.checkScript(test_endswith, ())
  
      def test_startswith() -> (
          Tuple[
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
              bool,
          ]
      ):
          return (
              "hello".startswith("lo"),
              "hello".startswith("lo", 0),
              "hello".startswith("lo", -2),
              "hello".startswith("lo", -8),
              "hello".startswith("lo", 0, -5),
              "hello".startswith("lo", -2, 3),
              "hello".startswith("lo", -8, 4),
              "hello".startswith("l"),
              "hello".startswith("l", 0),
              "hello".startswith("l", -2),
              "hello".startswith("l", -8),
              "hello".startswith("l", 0, -5),
              "hello".startswith("l", -2, 3),
              "hello".startswith("l", -8, 4),
          )
  
      self.checkScript(test_startswith, ())
  
      def test_expandtabs() -> Tuple[str, str, str, str, str, str]:
          return (
              "xyz\t82345\tabc".expandtabs(),
              "xyz\t32345\tabc".expandtabs(3),
              "xyz\t52345\tabc".expandtabs(5),
              "xyz\t62345\tabc".expandtabs(6),
              "xyz\t72345\tabc".expandtabs(7),
              "xyz\t62345\tabc".expandtabs(-5),
          )
  
      self.checkScript(test_expandtabs, ())
  
      def test_rfind() -> (
          Tuple[int, int, int, int, int, int, int, int, int]
      ):
          return (
              "hello123abc".rfind("llo"),
              "hello123abc".rfind("12"),
              "hello123abc".rfind("ab"),
              "hello123abc".rfind("ll", -1),
              "hello123abc".rfind("12", 4),
              "hello123abc".rfind("ab", -7),
              "hello123abc".rfind("ll", -1, 8),
              "hello123abc".rfind("12", 4, -4),
              "hello123abc".rfind("ab", -7, -20),
          )
  
      self.checkScript(test_rfind, ())
  
      def test_find() -> (
          Tuple[int, int, int, int, int, int, int, int, int]
      ):
          return (
              "hello123abc".find("llo"),
              "hello123abc".find("12"),
              "hello123abc".find("ab"),
              "hello123abc".find("ll", -1),
              "hello123abc".find("12", 4),
              "hello123abc".find("ab", -7),
              "hello123abc".find("ll", -1, 8),
              "hello123abc".find("12", 4, -4),
              "hello123abc".find("ab", -7, -20),
          )
  
      self.checkScript(test_find, ())
  
      def test_index() -> Tuple[int, int, int, int, int, int]:
          return (
              "hello123abc".index("llo"),
              "hello123abc".index("12"),
              "hello123abc".index("ab"),
              "hello123abc".index("12", 4),
              "hello123abc".index("ab", -7),
              "hello123abc".index("12", 4, -4),
          )
  
      self.checkScript(test_index, ())
  
      def test_rindex() -> Tuple[int, int, int, int, int, int]:
          return (
              "hello123abc".rindex("llo"),
              "hello123abc".rindex("12"),
              "hello123abc".rindex("ab"),
              "hello123abc".rindex("12", 4),
              "hello123abc".rindex("ab", -7),
              "hello123abc".rindex("12", 4, -4),
          )
  
      self.checkScript(test_rindex, ())
  
      def test_replace() -> Tuple[str, str, str, str, str, str, str]:
          return (
              "hello123abc".replace("llo", "sdf"),
              "ff".replace("f", "ff"),
              "abc123".replace("a", "testing"),
              "aaaaaa".replace("a", "testing", 3),
              "bbb".replace("a", "testing", 3),
              "ccc".replace("c", "ccc", 3),
              "cc".replace("c", "ccc", -3),
          )
  
      self.checkScript(test_replace, ())
  
      def test_partition() -> (
          Tuple[
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
          ]
      ):
          return (
              "hello123abc".partition("llo"),
              "ff".partition("f"),
              "abc123".partition("a"),
              "aaaaaa".partition("testing"),
              "bbb".partition("a"),
              "ccc".partition("ccc"),
              "cc".partition("ccc"),
          )
  
      self.checkScript(test_partition, ())
  
      def test_rpartition() -> (
          Tuple[
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
              Tuple[str, str, str],
          ]
      ):
          return (
              "hello123abc".rpartition("llo"),
              "ff".rpartition("f"),
              "abc123".rpartition("a"),
              "aaaaaa".rpartition("testing"),
              "bbb".rpartition("a"),
              "ccc".rpartition("ccc"),
              "cc".rpartition("ccc"),
          )
  
      self.checkScript(test_rpartition, ())
  
      def test_split() -> (
          Tuple[
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
          ]
      ):
          return (
              "a a a a a".split(),
              "a  a a   a a".split(),
              "   a a\ta \v a \v\f\n a \t   ".split(),
              " a a a a a ".split(" "),
              "a a a a a ".split(" ", 10),
              "a a a a a ".split(" ", -1),
              "a a a a a ".split(" ", 3),
              " a a a a a ".split("*"),
              " a*a a*a a".split("*"),
              " a*a a*a a ".split("*", -1),
              " a*a a*a a ".split("a*", 10),
          )
  
      self.checkScript(test_split, ())
  
      # test raising error for empty separator
      def test_split_empty_separator():
          s = "test"
          return s.split("")
  
      self.checkScriptRaisesRegex(
          test_split_empty_separator, (), Exception, "empty separator"
      )
  
      def test_rsplit() -> (
          Tuple[
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
          ]
      ):
          return (
              "a a a a a".rsplit(),
              " a a a a a ".rsplit(" "),
              "a a a a a ".rsplit(" ", 10),
              "a a a a a ".rsplit(" ", -1),
              "a a a a a ".rsplit(" ", 3),
              " a a a a a ".rsplit("*"),
              " a*a a*a a ".rsplit("*"),
              " a*a a*a a ".rsplit("*", -1),
              " a*a a*a a".rsplit("a*", 10),
          )
  
      self.checkScript(test_rsplit, ())
  
      def test_splitlines() -> (
          Tuple[
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
              List[str],
          ]
      ):
          return (
              "hello\ntest".splitlines(),
              "hello\n\ntest\n".splitlines(),
              "hello\ntest\n\n".splitlines(),
              "hello\vtest".splitlines(),
              "hello\v\f\ntest".splitlines(),
              "hello\ftest".splitlines(),
          )
  
      self.checkScript(test_splitlines, ())
  
      def test_str_cmp(
          a: str, b: str
      ) -> Tuple[bool, bool, bool, bool, bool, bool]:
          return a != b, a == b, a < b, a > b, a <= b, a >= b
  
      for i in range(len(inputs) - 1):
          self.checkScript(test_str_cmp, (inputs[i], inputs[i + 1]))
  
      def test_str_join():
          return (
              ",".join(["a"]),
              ",".join(["a", "b", "c"]),
              ",".join(["aa", "bb", "cc"]),
              ",".join(["a,a", "bb", "c,c"]),
              "**a**".join(["b", "c", "d", "e"]),
              "".join(["a", "b", "c"]),
          )
  
      self.checkScript(test_str_join, ())
  
      def test_bool_conversion(a: str):
          if a:
              return a
          else:
              return "default"
  
      self.checkScript(test_bool_conversion, ("nonempty",))
      self.checkScript(test_bool_conversion, ("",))
  
imports: from test_jit import JitTestCase
  from torch.testing._internal.common_utils import run_tests
  from typing import List, Tuple
label_desc: Use image node_id 1 for calling the TestScript obj's underlying member method code with example usage: obj.test_str_ops() and returns: s,  s,  s,  s,  s,  s,  s,  s,  s,  s,  s, s,  s,  s,  s,  s, s,  s,  s, s,  s,  s, s, s, s, s, s, s, s, s, s, s, str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str,  str,  str,  str,  str,  str, s, str,  str,  str,  str,  str,  str,  str,  str,  str, str,  str,  str,  str,  str,  str, unknown,  unknown,  unknown,  unknown,  unknown,  unknown, str,  str,  str,  str,  str,  str, a, str