import numpy as np



A = np.array( [np.array([0, 0, 0, 0,0,0]),
np.array([1, 0, 1,0,0,0]),
np.array([0,0,0,1,0,0]),
np.array([0,1,0,0, 1,0]),
np.array([0,0,0,0,0,0]),
np.array([0,0,0,0,1,0]) ]  )


def add1(x):
    x=x.append(2)

x=[6]
add1(x)
print(x)


print(A)
print(A[1])
print(A[3])


def dfs(source,dest,Ad,colour):
    result=False
    L=len(Ad)
    colour[source]=0.5
    if (A[source][dest]==1):
        result = True
        return result
    for v in range(L):
        if (A[source][v]==1 and colour[v]==0):
            result=dfs(v,dest,Ad,colour)
            if (result):
                return result
    return result
                
    
    

print(dfs(3,4,A,[0,0,0,0,0,0]))