Find if Path Exists in Graph | DFS Python

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Link to question:
Time: O(V) = # of vertex
Space: O(V + E) = #of vertex +# of edge → adjacency list
  1. Emily Bao
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Really nice solution! Thank you! A quick question: when do you return false?

potatocoder
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Thank you so much for sharing this video Emily. Could you please let me know how exactly DFS plays its part? In your BFS video I got the clear idea of queue where it goes layer by layer and then after next layer is processed. But here I am not getting idea of how DFS is working.

krishnajoshi