





def      _lowercase					(						_UpperCAmelCase				)						->  int:

				if not grid or not grid[0]:
								raise TypeError("""The grid does not contain the appropriate information"""				)

				for cell_n in range(1			,      len(grid[0]				)				):
								grid[0][cell_n] += grid[0][cell_n - 1]
				lowerCamelCase	 =grid[0]

				for row_n in range(1			,      len(_UpperCAmelCase				)				):
								lowerCamelCase	 =grid[row_n]
								lowerCamelCase	 =fill_row(_UpperCAmelCase			,      _UpperCAmelCase				)
								lowerCamelCase	 =grid[row_n]

				return grid[-1][-1]





def      _lowercase					(						_UpperCAmelCase			,      _UpperCAmelCase				)						->  list:
				current_row[0] += row_above[0]
				for cell_n in range(1			,      len(_UpperCAmelCase				)				):
								current_row[cell_n] += min(current_row[cell_n - 1]			,      row_above[cell_n]				)

				return current_row


if __name__ == "__main__":
							import doctest

							doctest.testmod()












from abc import ABC, abstractmethod
from argparse import ArgumentParser

class       __A     (						a    ):


				@staticmethod
				@abstractmethod
				def _snake_case       (		UpperCAmelCase_							):
								raise NotImplementedError()


				@abstractmethod
				def _snake_case       (		self							):
								raise NotImplementedError()





