test_graph_1 = {0: [1, 2], 1: [0, 3], 2: [0], 3: [1], 4: [5, 6], 5: [4, 6], 6: [4, 5]}

test_graph_2 = {0: [1, 2, 3], 1: [0, 3], 2: [0], 3: [0, 1], 4: [], 5: []}

def dfs(graph: dict, vert: int, visited: list) -> list:

return [vert] + connected_verts

def connected_components(graph: dict) -> list:

return components_list

if __name__ == "__main__":

import doctest

doctest.testmod()