from __future__ import absolute_import
from __future__ import print_function
from __future__ import division



def dfs(graph_dict, start_vertex):
    """Depth First Search algorith."""
    pass


def main():
    pass

if __name__ == '__main__':
    main()

from __future__ import absolute_import
from __future__ import print_function
from __future__ import division

from ds_stack import Stack


def dfs(graph_dict, start_vertex):
    """Depth First Search algorith."""
    ls_stack = Stack()
    ls_stack.push([start_vertex])
    # print('ls_stack: {}'.format(ls_stack.show()))


def main():
    pass

if __name__ == '__main__':
    main()

Implement dfs()