


import json
import os
import unittest

from transformers.models.roc_bert.tokenization_roc_bert import (
    VOCAB_FILES_NAMES,
    RoCBertBasicTokenizer,
    RoCBertTokenizer,
    RoCBertWordpieceTokenizer,
    _is_control,
    _is_punctuation,
    _is_whitespace,
)
from transformers.testing_utils import require_tokenizers, slow

from ...test_tokenization_common import TokenizerTesterMixin, filter_non_english


@require_tokenizers
class     lowercase__  (					__SCREAMING_SNAKE_CASE					,							unittest.TestCase		):
  A__=  RoCBertTokenizer
  A__=  None
  A__=  False
  A__=  True
  A__=  filter_non_english






  def 			_UpperCAmelCase  (					self      :					str ):




         """simple docstring"""







         super().setUp()

         UpperCAmelCase__										=     ["[UNK]", "[CLS]", "[SEP]", "[PAD]", "[MASK]", "你", "好", "是", "谁", "a", "b", "c", "d"]
         UpperCAmelCase__										=     {}
         UpperCAmelCase__										=     {}
         for i, value in enumerate(_lowercase ):
                UpperCAmelCase__										=     i
                UpperCAmelCase__										=     i
         UpperCAmelCase__										=     os.path.join(self.tmpdirname		,						VOCAB_FILES_NAMES["vocab_file"] )
         UpperCAmelCase__										=     os.path.join(self.tmpdirname		,						VOCAB_FILES_NAMES["word_shape_file"] )
         UpperCAmelCase__										=     os.path.join(self.tmpdirname		,						VOCAB_FILES_NAMES["word_pronunciation_file"] )
         with open(self.vocab_file		,						"w"		,						encoding="utf-8" ) as vocab_writer:
                vocab_writer.write("".join([x + "\n" for x in vocab_tokens] ) )
         with open(self.word_shape_file		,						"w"		,						encoding="utf-8" ) as word_shape_writer:
                json.dump(_lowercase		,						_lowercase		,						ensure_ascii=_lowercase )
         with open(self.word_pronunciation_file		,						"w"		,						encoding="utf-8" ) as word_pronunciation_writer:
                json.dump(_lowercase		,						_lowercase		,						ensure_ascii=_lowercase )






  def 			_UpperCAmelCase  (					self      :					int ):




         """simple docstring"""







         UpperCAmelCase__										=     self.tokenizer_class(self.vocab_file		,						self.word_shape_file		,						self.word_pronunciation_file )

         UpperCAmelCase__										=     tokenizer.tokenize("你好[SEP]你是谁" )
         self.assertListEqual(_lowercase		,						["你", "好", "[SEP]", "你", "是", "谁"] )
         self.assertListEqual(tokenizer.convert_tokens_to_ids(_lowercase )		,						[5, 6, 2, 5, 7, 8] )
         self.assertListEqual(tokenizer.convert_tokens_to_shape_ids(_lowercase )		,						[5, 6, 2, 5, 7, 8] )
         self.assertListEqual(tokenizer.convert_tokens_to_pronunciation_ids(_lowercase )		,						[5, 6, 2, 5, 7, 8] )






  def 			_UpperCAmelCase  (					self      :					Union[str, Any] ):




         """simple docstring"""







         UpperCAmelCase__										=     RoCBertBasicTokenizer()

         self.assertListEqual(tokenizer.tokenize("ah\u535A\u63A8zz" )		,						["ah", "\u535A", "\u63A8", "zz"] )






  def 			_UpperCAmelCase  (					self      :					Optional[int] ):




         """simple docstring"""







         UpperCAmelCase__										=     RoCBertBasicTokenizer(do_lower_case=_lowercase )

         self.assertListEqual(
             tokenizer.tokenize(" \tHeLLo!how  \n Are yoU?  " )		,						["hello", "!", "how", "are", "you", "?"] )
         self.assertListEqual(tokenizer.tokenize("H\u00E9llo" )		,						["hello"] )






  def 			_UpperCAmelCase  (					self      :					Optional[Any] ):




         """simple docstring"""







         UpperCAmelCase__										=     RoCBertBasicTokenizer(do_lower_case=_lowercase		,						strip_accents=_lowercase )

         self.assertListEqual(
             tokenizer.tokenize(" \tHäLLo!how  \n Are yoU?  " )		,						["hällo", "!", "how", "are", "you", "?"] )
         self.assertListEqual(tokenizer.tokenize("H\u00E9llo" )		,						["h\u00E9llo"] )






  def 			_UpperCAmelCase  (					self      :					Union[str, Any] ):




         """simple docstring"""







         UpperCAmelCase__										=     RoCBertBasicTokenizer(do_lower_case=_lowercase		,						strip_accents=_lowercase )

         self.assertListEqual(
             tokenizer.tokenize(" \tHäLLo!how  \n Are yoU?  " )		,						["hallo", "!", "how", "are", "you", "?"] )
         self.assertListEqual(tokenizer.tokenize("H\u00E9llo" )		,						["hello"] )






  def 			_UpperCAmelCase  (					self      :					str ):




         """simple docstring"""







         UpperCAmelCase__										=     RoCBertBasicTokenizer(do_lower_case=_lowercase )

         self.assertListEqual(
             tokenizer.tokenize(" \tHäLLo!how  \n Are yoU?  " )		,						["hallo", "!", "how", "are", "you", "?"] )
         self.assertListEqual(tokenizer.tokenize("H\u00E9llo" )		,						["hello"] )






  def 			_UpperCAmelCase  (					self      :					Any ):




         """simple docstring"""







         UpperCAmelCase__										=     RoCBertBasicTokenizer(do_lower_case=_lowercase )

         self.assertListEqual(
             tokenizer.tokenize(" \tHeLLo!how  \n Are yoU?  " )		,						["HeLLo", "!", "how", "Are", "yoU", "?"] )






  def 			_UpperCAmelCase  (					self      :					Union[str, Any] ):




         """simple docstring"""







         UpperCAmelCase__										=     RoCBertBasicTokenizer(do_lower_case=_lowercase		,						strip_accents=_lowercase )

         self.assertListEqual(
             tokenizer.tokenize(" \tHäLLo!how  \n Are yoU?  " )		,						["HäLLo", "!", "how", "Are", "yoU", "?"] )






  def 			_UpperCAmelCase  (					self      :					List[Any] ):




         """simple docstring"""







         UpperCAmelCase__										=     RoCBertBasicTokenizer(do_lower_case=_lowercase		,						strip_accents=_lowercase )

         self.assertListEqual(
             tokenizer.tokenize(" \tHäLLo!how  \n Are yoU?  " )		,						["HaLLo", "!", "how", "Are", "yoU", "?"] )






  def 			_UpperCAmelCase  (					self      :					int ):




         """simple docstring"""







         UpperCAmelCase__										=     RoCBertBasicTokenizer(do_lower_case=_lowercase		,						never_split=["[UNK]"] )

         self.assertListEqual(
             tokenizer.tokenize(" \tHeLLo!how  \n Are yoU? [UNK]" )		,						["HeLLo", "!", "how", "Are", "yoU", "?", "[UNK]"] )






  def 			_UpperCAmelCase  (					self      :					Tuple ):




         """simple docstring"""







         UpperCAmelCase__										=     ["[UNK]", "[CLS]", "[SEP]", "want", "##want", "##ed", "wa", "un", "runn", "##ing"]

         UpperCAmelCase__										=     {}
         for i, token in enumerate(_lowercase ):
                UpperCAmelCase__										=     i
         UpperCAmelCase__										=     RoCBertWordpieceTokenizer(vocab=_lowercase		,						unk_token="[UNK]" )

         self.assertListEqual(tokenizer.tokenize("" )		,						[] )

         self.assertListEqual(tokenizer.tokenize("unwanted running" )		,						["un", "##want", "##ed", "runn", "##ing"] )

         self.assertListEqual(tokenizer.tokenize("unwantedX running" )		,						["[UNK]", "runn", "##ing"] )






  def 			_UpperCAmelCase  (					self      :					List[Any] ):




         """simple docstring"""







         self.assertTrue(_is_whitespace(" " ) )
         self.assertTrue(_is_whitespace("\t" ) )
         self.assertTrue(_is_whitespace("\r" ) )
         self.assertTrue(_is_whitespace("\n" ) )
         self.assertTrue(_is_whitespace("\u00A0" ) )

         self.assertFalse(_is_whitespace("A" ) )
         self.assertFalse(_is_whitespace("-" ) )






  def 			_UpperCAmelCase  (					self      :					List[str] ):




         """simple docstring"""







         self.assertTrue(_is_control("\u0005" ) )

         self.assertFalse(_is_control("A" ) )
         self.assertFalse(_is_control(" " ) )
         self.assertFalse(_is_control("\t" ) )
         self.assertFalse(_is_control("\r" ) )






  def 			_UpperCAmelCase  (					self      :					List[Any] ):




         """simple docstring"""







         self.assertTrue(_is_punctuation("-" ) )
         self.assertTrue(_is_punctuation("$" ) )
         self.assertTrue(_is_punctuation("`" ) )
         self.assertTrue(_is_punctuation("." ) )

         self.assertFalse(_is_punctuation("A" ) )
         self.assertFalse(_is_punctuation(" " ) )






  def 			_UpperCAmelCase  (					self      :					Tuple ):




         """simple docstring"""







         UpperCAmelCase__										=     self.get_tokenizer()

         # Example taken from the issue https://github.com/huggingface/tokenizers/issues/340
         self.assertListEqual([tokenizer.tokenize(_lowercase ) for t in ["Test", "\xad", "test"]]		,						[["[UNK]"], [], ["[UNK]"]] )

         if self.test_rust_tokenizer:
                UpperCAmelCase__										=     self.get_rust_tokenizer()
                self.assertListEqual(
                    [rust_tokenizer.tokenize(_lowercase ) for t in ["Test", "\xad", "test"]]		,						[["[UNK]"], [], ["[UNK]"]] )






  def 			_UpperCAmelCase  (					self      :					Dict ):




         """simple docstring"""







         for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
                with self.subTest(F"""{tokenizer.__class__.__name__} ({pretrained_name})""" ):
                       UpperCAmelCase__										=     self.rust_tokenizer_class.from_pretrained(_lowercase		,						**_lowercase )

                       UpperCAmelCase__										=     F"""A, naïve {tokenizer_r.mask_token} AllenNLP sentence."""
                       UpperCAmelCase__										=     tokenizer_r.encode_plus(
                           _lowercase		,						return_attention_mask=_lowercase		,						return_token_type_ids=_lowercase		,						return_offsets_mapping=_lowercase		,						add_special_tokens=_lowercase		,						)

                       UpperCAmelCase__										=     tokenizer_r.do_lower_case if hasattr(_lowercase		,						"do_lower_case" ) else False
                       UpperCAmelCase__										=     (
                           [
                               ((0, 0), tokenizer_r.cls_token),
                               ((0, 1), "A"),
                               ((1, 2), ","),
                               ((3, 5), "na"),
                               ((5, 6), "##ï"),
                               ((6, 8), "##ve"),
                               ((9, 15), tokenizer_r.mask_token),
                               ((16, 21), "Allen"),
                               ((21, 23), "##NL"),
                               ((23, 24), "##P"),
                               ((25, 33), "sentence"),
                               ((33, 34), "."),
                               ((0, 0), tokenizer_r.sep_token),
                           ]
                           if not do_lower_case
                           else [
                               ((0, 0), tokenizer_r.cls_token),
                               ((0, 1), "a"),
                               ((1, 2), ","),
                               ((3, 8), "naive"),
                               ((9, 15), tokenizer_r.mask_token),
                               ((16, 21), "allen"),
                               ((21, 23), "##nl"),
                               ((23, 24), "##p"),
                               ((25, 33), "sentence"),
                               ((33, 34), "."),
                               ((0, 0), tokenizer_r.sep_token),
                           ]
                       )

                       self.assertEqual(
                           [e[1] for e in expected_results]		,						tokenizer_r.convert_ids_to_tokens(tokens["input_ids"] ) )
                       self.assertEqual([e[0] for e in expected_results]		,						tokens["offset_mapping"] )






  def 			_UpperCAmelCase  (					self      :					List[str] ):




         """simple docstring"""







         UpperCAmelCase__										=     ["的", "人", "有"]
         UpperCAmelCase__										=     "".join(_lowercase )
         for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
                with self.subTest(F"""{tokenizer.__class__.__name__} ({pretrained_name})""" ):
                       UpperCAmelCase__										=     True
                       UpperCAmelCase__										=     self.tokenizer_class.from_pretrained(_lowercase		,						**_lowercase )
                       UpperCAmelCase__										=     self.rust_tokenizer_class.from_pretrained(_lowercase		,						**_lowercase )

                       UpperCAmelCase__										=     tokenizer_p.encode(_lowercase		,						add_special_tokens=_lowercase )
                       UpperCAmelCase__										=     tokenizer_r.encode(_lowercase		,						add_special_tokens=_lowercase )

                       UpperCAmelCase__										=     tokenizer_r.convert_ids_to_tokens(_lowercase )
                       UpperCAmelCase__										=     tokenizer_p.convert_ids_to_tokens(_lowercase )

                       # it is expected that each Chinese character is not preceded by "##"
                       self.assertListEqual(_lowercase		,						_lowercase )
                       self.assertListEqual(_lowercase		,						_lowercase )

                       UpperCAmelCase__										=     False
                       UpperCAmelCase__										=     self.rust_tokenizer_class.from_pretrained(_lowercase		,						**_lowercase )
                       UpperCAmelCase__										=     self.tokenizer_class.from_pretrained(_lowercase		,						**_lowercase )

                       UpperCAmelCase__										=     tokenizer_r.encode(_lowercase		,						add_special_tokens=_lowercase )
                       UpperCAmelCase__										=     tokenizer_p.encode(_lowercase		,						add_special_tokens=_lowercase )

                       UpperCAmelCase__										=     tokenizer_r.convert_ids_to_tokens(_lowercase )
                       UpperCAmelCase__										=     tokenizer_p.convert_ids_to_tokens(_lowercase )

                       # it is expected that only the first Chinese character is not preceded by "##".
                       UpperCAmelCase__										=     [
                           F"""##{token}""" if idx != 0 else token for idx, token in enumerate(_lowercase )
                       ]
                       self.assertListEqual(_lowercase		,						_lowercase )
                       self.assertListEqual(_lowercase		,						_lowercase )






  @slow
  def 			_UpperCAmelCase  (					self      :					int ):




         """simple docstring"""







         UpperCAmelCase__										=     self.tokenizer_class(self.vocab_file		,						self.word_shape_file		,						self.word_pronunciation_file )

         UpperCAmelCase__										=     tokenizer.encode("你好"		,						add_special_tokens=_lowercase )
         UpperCAmelCase__										=     tokenizer.encode("你是谁"		,						add_special_tokens=_lowercase )

         UpperCAmelCase__										=     tokenizer.build_inputs_with_special_tokens(_lowercase )
         UpperCAmelCase__										=     tokenizer.build_inputs_with_special_tokens(_lowercase		,						_lowercase )

         assert encoded_sentence == [1] + text + [2]
         assert encoded_pair == [1] + text + [2] + text_a + [2]






  def 			_UpperCAmelCase  (					self      :					List[Any] ):




         """simple docstring"""







         UpperCAmelCase__										=     self.get_tokenizers(do_lower_case=_lowercase )
         for tokenizer in tokenizers:
                with self.subTest(F"""{tokenizer.__class__.__name__}""" ):
                       UpperCAmelCase__										=     "你好，你是谁"
                       UpperCAmelCase__										=     tokenizer.tokenize(_lowercase )
                       UpperCAmelCase__										=     tokenizer.convert_tokens_to_ids(_lowercase )
                       UpperCAmelCase__										=     tokenizer.convert_tokens_to_shape_ids(_lowercase )
                       UpperCAmelCase__										=     tokenizer.convert_tokens_to_pronunciation_ids(_lowercase )
                       UpperCAmelCase__										=     tokenizer.prepare_for_model(
                           _lowercase		,						_lowercase		,						_lowercase		,						add_special_tokens=_lowercase )

                       UpperCAmelCase__										=     tokenizer.encode_plus(_lowercase		,						add_special_tokens=_lowercase )

                       self.assertEqual(_lowercase		,						_lowercase )









from __future__ import annotations


class     lowercase__  :






  def __init__(					self      :					int		,						_lowercase      :					list[list[int]] ):




         """simple docstring"""







         UpperCAmelCase__										=     TypeError(
             "Matrices must be formed from a list of zero or more lists containing at "
             "least one and the same number of values, each of which must be of type "
             "int or float." )
         if len(_lowercase ) != 0:
                UpperCAmelCase__										=     len(rows[0] )
                if cols == 0:
                       raise error
                for row in rows:
                       if len(_lowercase ) != cols:
                              raise error
                       for value in row:
                              if not isinstance(_lowercase		,						(int, float) ):
                                     raise error
                UpperCAmelCase__										=     rows
         else:
                UpperCAmelCase__										=     []






  def 			_UpperCAmelCase  (					self      :					Dict ):




         """simple docstring"""







         return [[row[i] for row in self.rows] for i in range(len(self.rows[0] ) )]






  @property
  def 			_UpperCAmelCase  (					self      :					str ):




         """simple docstring"""







         return len(self.rows )






  @property
  def 			_UpperCAmelCase  (					self      :					Optional[Any] ):




         """simple docstring"""







         return len(self.rows[0] )






  @property
  def 			_UpperCAmelCase  (					self      :					Optional[Any] ):




         """simple docstring"""







         return (self.num_rows, self.num_columns)






  @property
  def 			_UpperCAmelCase  (					self      :					Tuple ):




         """simple docstring"""







         return self.order[0] == self.order[1]






  def 			_UpperCAmelCase  (					self      :					Optional[Any] ):




         """simple docstring"""







         UpperCAmelCase__										=     [
             [0 if column_num != row_num else 1 for column_num in range(self.num_rows )]
             for row_num in range(self.num_rows )
         ]
         return Matrix(_lowercase )






  def 			_UpperCAmelCase  (					self      :					Tuple ):




         """simple docstring"""







         if not self.is_square:
                return 0
         if self.order == (0, 0):
                return 1
         if self.order == (1, 1):
                return int(self.rows[0][0] )
         if self.order == (2, 2):
                return int(
                    (self.rows[0][0] * self.rows[1][1])
                    - (self.rows[0][1] * self.rows[1][0]) )
         else:
                return sum(
                    self.rows[0][column] * self.cofactors().rows[0][column]
                    for column in range(self.num_columns ) )






  def 			_UpperCAmelCase  (					self      :					Any ):




         """simple docstring"""







         return bool(self.determinant() )






  def 			_UpperCAmelCase  (					self      :					Optional[Any]		,						_lowercase      :					int		,						_lowercase      :					int ):




         """simple docstring"""







         UpperCAmelCase__										=     [
             [
                 self.rows[other_row][other_column]
                 for other_column in range(self.num_columns )
                 if other_column != column
             ]
             for other_row in range(self.num_rows )
             if other_row != row
         ]
         return Matrix(_lowercase ).determinant()






  def 			_UpperCAmelCase  (					self      :					str		,						_lowercase      :					int		,						_lowercase      :					int ):




         """simple docstring"""







         if (row + column) % 2 == 0:
                return self.get_minor(_lowercase		,						_lowercase )
         return -1 * self.get_minor(_lowercase		,						_lowercase )






  def 			_UpperCAmelCase  (					self      :					Optional[Any] ):




         """simple docstring"""







         return Matrix(
             [
                 [self.get_minor(_lowercase		,						_lowercase ) for column in range(self.num_columns )]
                 for row in range(self.num_rows )
             ] )






  def 			_UpperCAmelCase  (					self      :					List[str] ):




         """simple docstring"""







         return Matrix(
             [
                 [
                     self.minors().rows[row][column]
                     if (row + column) % 2 == 0
                     else self.minors().rows[row][column] * -1
                     for column in range(self.minors().num_columns )
                 ]
                 for row in range(self.minors().num_rows )
             ] )






  def 			_UpperCAmelCase  (					self      :					str ):




         """simple docstring"""







         UpperCAmelCase__										=     [
             [self.cofactors().rows[column][row] for column in range(self.num_columns )]
             for row in range(self.num_rows )
         ]
         return Matrix(_lowercase )






  def 			_UpperCAmelCase  (					self      :					List[str] ):




         """simple docstring"""







         UpperCAmelCase__										=     self.determinant()
         if not determinant:
                raise TypeError("Only matrices with a non-zero determinant have an inverse" )
         return self.adjugate() * (1 / determinant)






  def __repr__(					self      :					Dict ):




         """simple docstring"""







         return str(self.rows )






  def __str__(					self      :					Tuple ):




         """simple docstring"""







         if self.num_rows == 0:
                return "[]"
         if self.num_rows == 1:
                return "[[" + ". ".join(str(self.rows[0] ) ) + "]]"
         return (
             "["
             + "\n ".join(
                 [
                     "[" + ". ".join([str(_lowercase ) for value in row] ) + ".]"
                     for row in self.rows
                 ] )
             + "]"
         )






  def 			_UpperCAmelCase  (					self      :					Any		,						_lowercase      :					list[int]		,						_lowercase      :					int | None = None ):




         """simple docstring"""







         UpperCAmelCase__										=     TypeError("Row must be a list containing all ints and/or floats" )
         if not isinstance(_lowercase		,						_lowercase ):
                raise type_error
         for value in row:
                if not isinstance(_lowercase		,						(int, float) ):
                       raise type_error
         if len(_lowercase ) != self.num_columns:
                raise ValueError(
                    "Row must be equal in length to the other rows in the matrix" )
         if position is None:
                self.rows.append(_lowercase )
         else:
                UpperCAmelCase__										=     self.rows[0:position] + [row] + self.rows[position:]






  def 			_UpperCAmelCase  (					self      :					Optional[Any]		,						_lowercase      :					list[int]		,						_lowercase      :					int | None = None ):




         """simple docstring"""







         UpperCAmelCase__										=     TypeError(
             "Column must be a list containing all ints and/or floats" )
         if not isinstance(_lowercase		,						_lowercase ):
                raise type_error
         for value in column:
                if not isinstance(_lowercase		,						(int, float) ):
                       raise type_error
         if len(_lowercase ) != self.num_rows:
                raise ValueError(
                    "Column must be equal in length to the other columns in the matrix" )
         if position is None:
                UpperCAmelCase__										=     [self.rows[i] + [column[i]] for i in range(self.num_rows )]
         else:
                UpperCAmelCase__										=     [
                    self.rows[i][0:position] + [column[i]] + self.rows[i][position:]
                    for i in range(self.num_rows )
                ]






  def __eq__(					self      :					Dict		,						_lowercase      :					object ):




         """simple docstring"""







         if not isinstance(_lowercase		,						_lowercase ):
                return NotImplemented
         return self.rows == other.rows






  def __ne__(					self      :					List[Any]		,						_lowercase      :					object ):




         """simple docstring"""







         return not self == other






  def __neg__(					self      :					int ):




         """simple docstring"""







         return self * -1






  def __add__(					self      :					List[Any]		,						_lowercase      :					Matrix ):




         """simple docstring"""







         if self.order != other.order:
                raise ValueError("Addition requires matrices of the same order" )
         return Matrix(
             [
                 [self.rows[i][j] + other.rows[i][j] for j in range(self.num_columns )]
                 for i in range(self.num_rows )
             ] )






  def __sub__(					self      :					Optional[int]		,						_lowercase      :					Matrix ):




         """simple docstring"""







         if self.order != other.order:
                raise ValueError("Subtraction requires matrices of the same order" )
         return Matrix(
             [
                 [self.rows[i][j] - other.rows[i][j] for j in range(self.num_columns )]
                 for i in range(self.num_rows )
             ] )






  def __mul__(					self      :					int		,						_lowercase      :					Matrix | int | float ):




         """simple docstring"""







         if isinstance(_lowercase		,						(int, float) ):
                return Matrix(
                    [[int(element * other ) for element in row] for row in self.rows] )
         elif isinstance(_lowercase		,						_lowercase ):
                if self.num_columns != other.num_rows:
                       raise ValueError(
                           "The number of columns in the first matrix must "
                           "be equal to the number of rows in the second" )
                return Matrix(
                    [
                        [Matrix.dot_product(_lowercase		,						_lowercase ) for column in other.columns()]
                        for row in self.rows
                    ] )
         else:
                raise TypeError(
                    "A Matrix can only be multiplied by an int, float, or another matrix" )






  def __pow__(					self      :					Optional[Any]		,						_lowercase      :					int ):




         """simple docstring"""







         if not isinstance(_lowercase		,						_lowercase ):
                raise TypeError("A Matrix can only be raised to the power of an int" )
         if not self.is_square:
                raise ValueError("Only square matrices can be raised to a power" )
         if other == 0:
                return self.identity()
         if other < 0:
                if self.is_invertable():
                       return self.inverse() ** (-other)
                raise ValueError(
                    "Only invertable matrices can be raised to a negative power" )
         UpperCAmelCase__										=     self
         for _ in range(other - 1 ):
                result *= self
         return result






  @classmethod
  def 			_UpperCAmelCase  (					cls      :					List[Any]		,						_lowercase      :					list[int]		,						_lowercase      :					list[int] ):




         """simple docstring"""







         return sum(row[i] * column[i] for i in range(len(_lowercase ) ) )


if __name__ == "__main__":
    import doctest

    doctest.testmod()





