
"""simple docstring"""




import random

def lowercase_  (   _snake_case   ,_snake_case   ,_snake_case = False						):
							SCREAMING_SNAKE_CASE__						:       dict           =   {i: [] for i in range(_snake_case						)}

							# if probability is greater or equal than 1, then generate a complete graph
							if probability >= 1:
														return complete_graph(_snake_case						)
							# if probability is lower or equal than 0, then return a graph without edges
							if probability <= 0:
														return graph

							# for each couple of nodes, add an edge from u to v
							# if the number randomly generated is greater than probability probability
							for i in range(_snake_case						):
														for j in range(i + 1   ,_snake_case						):
																					if random.random() < probability:
																												graph[i].append(_snake_case						)
																												if not directed:
																																			# if the graph is undirected, add an edge in from j to i, either
																																			graph[j].append(_snake_case						)
							return graph

def lowercase_  (   _snake_case						):
							return {
							    i: [j for j in range(_snake_case						) if i != j] for i in range(_snake_case						)
							}


if __name__ == "__main__":
					import doctest

					doctest.testmod()






"""simple docstring"""




def lowercase_  (   _snake_case   ,_snake_case						):

							if not (isinstance(_snake_case   ,_snake_case						) and isinstance(_snake_case   ,_snake_case						)):
														raise ValueError("""longest_common_substring() takes two strings for inputs"""						)

							SCREAMING_SNAKE_CASE__						:       Optional[Any]           =   len(_snake_case						)
							SCREAMING_SNAKE_CASE__						:       int           =   len(_snake_case						)

							SCREAMING_SNAKE_CASE__						:       Dict           =   [[0] * (texta_length + 1) for _ in range(texta_length + 1						)]
							SCREAMING_SNAKE_CASE__						:       List[Any]           =   0
							SCREAMING_SNAKE_CASE__						:       Union[str, Any]           =   0

							for i in range(1   ,texta_length + 1						):
														for j in range(1   ,texta_length + 1						):
																					if texta[i - 1] == texta[j - 1]:
																												SCREAMING_SNAKE_CASE__						:       int           =   1 + dp[i - 1][j - 1]
																												if dp[i][j] > ans_length:
																																			SCREAMING_SNAKE_CASE__						:       List[Any]           =   i
																																			SCREAMING_SNAKE_CASE__						:       List[str]           =   dp[i][j]

							return texta[ans_index - ans_length : ans_index]


if __name__ == "__main__":
					import doctest

					doctest.testmod()




