Function to find number of shortest paths
def NumberOfShortestPaths ( n , m ) : NEW_LINE INDENT a = [ [ 0 for i in range ( m ) ] for j in range ( n ) ] NEW_LINE for i in range ( n ) : NEW_LINE INDENT for j in range ( m ) : NEW_LINE INDENT a [ i ] [ j ] = 0 NEW_LINE DEDENT DEDENT DEDENT