
'''simple docstring'''







from __future__ import annotations
def  snake_case_		(    __SCREAMING_SNAKE_CASE :			list[list[int]]							):



						"""simple docstring"""





						for i in range(1				,				len(matrix[0]							)							):
												matrix[0][i] += matrix[0][i - 1]

						# preprocessing the first column
						for i in range(1				,				len(__SCREAMING_SNAKE_CASE							)							):
												matrix[i][0] += matrix[i - 1][0]

						# updating the path cost for current position
						for i in range(1				,				len(__SCREAMING_SNAKE_CASE							)							):
												for j in range(1				,				len(matrix[0]							)							):
																		matrix[i][j] += min(matrix[i - 1][j]				,				matrix[i][j - 1]							)

						return matrix[-1][-1]


if __name__ == "__main__":
							import doctest

							doctest.testmod()



'''simple docstring'''







def  snake_case_		(    __SCREAMING_SNAKE_CASE :			str							):



						"""simple docstring"""





						return [
						    txt[:a] + txt[a].upper() + txt[a + 1 :]
						    for a in range(len(__SCREAMING_SNAKE_CASE							)							)
						    if txt[a].isalpha()
						]


if __name__ == "__main__":
							__import__("doctest").testmod()



