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5 changes: 5 additions & 0 deletions Ak.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
values= = input("enter a number:")6
list = values.split(",")
tuple = tuple(list)
print('list :'.list)
print('tuple :',tuple)
66 changes: 66 additions & 0 deletions readme.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,66 @@
# Python3 Program to print BFS traversal
# from a given source vertex. BFS(int s)
# traverses vertices reachable from s.
from collections import defaultdict

# This class represents a directed graph
# using adjacency list representation
class Graph:

# Constructor
def __init__(self):

# default dictionary to store graph
self.graph = defaultdict(list)

# function to add an edge to graph
def addEdge(self,u,v):
self.graph[u].append(v)

# Function to print a BFS of graph
def BFS(self, s):

# Mark all the vertices as not visited
visited = [False] * (len(self.graph))

# Create a queue for BFS
queue = []

# Mark the source node as
# visited and enqueue it
queue.append(s)
visited[s] = True

while queue:

# Dequeue a vertex from
# queue and print it
s = queue.pop(0)
print (s, end = " ")

# Get all adjacent vertices of the
# dequeued vertex s. If a adjacent
# has not been visited, then mark it
# visited and enqueue it
for i in self.graph[s]:
if visited[i] == False:
queue.append(i)
visited[i] = True

# Driver code

# Create a graph given in
# the above diagram
g = Graph()
g.addEdge(0, 1)
g.addEdge(0, 2)
g.addEdge(1, 2)
g.addEdge(2, 0)
g.addEdge(2, 3)
g.addEdge(3, 3)

print ("Following is Breadth First Traversal"
" (starting from vertex 2)")
g.BFS(2)

# This code is contributed by Neelam Yadav