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update breadthfirstsearch.py #3

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update breadthfirstsearch.py #3

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8 changes: 3 additions & 5 deletions Hanoi/BreadthFirstSearch.py
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
from collections import deque
from decimal import Decimal
from collections import deque #import deque functionality frome collections libarary.
from decimal import Decimal ##import Decimal functionality frome decimal libarary.
_inf = Decimal('infinity')

class BreadthFirstSearch(object):
class BreadthFirstSearch(object): #Base class create of BreadthFirstSearch.
def __init__(self, G, source):
self._q = deque()
self._marked = [ False for i in range(G.V()) ]
Expand Down Expand Up @@ -35,10 +35,8 @@ def _bfs(self, G, source):

def hasPathTo(self, v):
return self._marked[v]

def distTo(self, v):
return self._distTo[v]

def pathTo(self, v):
"returns path from source to v"
if not self.hasPathTo(v): return None
Expand Down