



'''simple docstring'''





import os




def lowerCAmelCase						(__A = "input.txt"):



     """simple docstring"""



     with open(os.path.join(os.path.dirname(__A)						,			__A)) as input_file:
          _a											=						[
              [int(__A) for element in line.split(''',''')]
              for line in input_file.readlines()
          ]

     _a											=						len(__A)
     _a											=						len(matrix[0])

     _a											=						[[-1 for _ in range(__A)] for _ in range(__A)]
     for i in range(__A):
          _a											=						matrix[i][0]

     for j in range(1						,			__A):
          for i in range(__A):
               _a											=						minimal_path_sums[i][j - 1] + matrix[i][j]

          for i in range(1						,			__A):
               _a											=						min(
                   minimal_path_sums[i][j]						,			minimal_path_sums[i - 1][j] + matrix[i][j])

          for i in range(rows - 2						,			-1						,			-1):
               _a											=						min(
                   minimal_path_sums[i][j]						,			minimal_path_sums[i + 1][j] + matrix[i][j])

     return min(minimal_path_sums_row[-1] for minimal_path_sums_row in minimal_path_sums)


if __name__ == "__main__":
  print(F"""{solution() = }""")








'''simple docstring'''





import pytest

import datasets


# Import fixture modules as plugins
lowercase_	 =						["tests.fixtures.files", "tests.fixtures.hub", "tests.fixtures.fsspec"]




def lowerCAmelCase						(__A						,			__A):



     """simple docstring"""



     for item in items:
          if any(marker in item.keywords for marker in ['''integration''', '''unit''']):
               continue
          item.add_marker(pytest.mark.unit)




def lowerCAmelCase						(__A):



     """simple docstring"""



     config.addinivalue_line('''markers'''						,			'''torchaudio_latest: mark test to run with torchaudio>=0.12''')




@pytest.fixture(autouse=__A)
def lowerCAmelCase						(__A						,			__A):



     """simple docstring"""



     _a											=						tmp_path_factory.getbasetemp() / '''cache'''
     _a											=						test_hf_cache_home / '''datasets'''
     _a											=						test_hf_cache_home / '''metrics'''
     _a											=						test_hf_cache_home / '''modules'''
     monkeypatch.setattr('''datasets.config.HF_DATASETS_CACHE'''						,			str(__A))
     monkeypatch.setattr('''datasets.config.HF_METRICS_CACHE'''						,			str(__A))
     monkeypatch.setattr('''datasets.config.HF_MODULES_CACHE'''						,			str(__A))
     _a											=						test_hf_datasets_cache / '''downloads'''
     monkeypatch.setattr('''datasets.config.DOWNLOADED_DATASETS_PATH'''						,			str(__A))
     _a											=						test_hf_datasets_cache / '''downloads''' / '''extracted'''
     monkeypatch.setattr('''datasets.config.EXTRACTED_DATASETS_PATH'''						,			str(__A))




@pytest.fixture(autouse=__A						,			scope='''session''')
def lowerCAmelCase						():



     """simple docstring"""



     datasets.disable_progress_bar()




@pytest.fixture(autouse=__A)
def lowerCAmelCase						(__A):



     """simple docstring"""



     monkeypatch.setattr('''datasets.config.HF_UPDATE_DOWNLOAD_COUNTS'''						,			__A)




@pytest.fixture
def lowerCAmelCase						(__A):



     """simple docstring"""



     monkeypatch.setattr('''sqlalchemy.util.deprecations.SILENCE_UBER_WARNING'''						,			__A)



