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How do I print out a trace of a traversal of my depth First Search. I am reading a text file and then creating a graph from the text file to use my...

How do I print out a trace of a traversal of my depth First Search.
I am reading a text file and then creating a graph from the text file to use my depth first search on. the output should look like this.
Here's the output when run on the file data/tinyG.txt:
First visit to 0.
 First visit to 6.
  Visited 0 again.
  First visit to 4.
   First visit to 5.
    First visit to 3.
     Visited 5 again.
     Visited 4 again.
    Finished with 3.
    Visited 4 again.
    Visited 0 again.
   Finished with 5.
   Visited 6 again.
   Visited 3 again.
  Finished with 4.
 Finished with 6.
 First visit to 2.
  Visited 0 again.
 Finished with 2.
 First visit to 1.
  Visited 0 again.
 Finished with 1.
 Visited 5 again.
Finished with 0.


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