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Bitwise AND of all unordered pairs from a given array | Function to calculate bitwise AND of all pairs from the given array.
Stores bitwise AND of all possible pairs.
Generate all possible pairs.
Calculate bitwise AND of each pair.
Driver Code"
Solution in Python:

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Give me a code to bitwise AND of all unordered pairs from a given array and the other steps required?
assistant
#Here is code to bitwise AND of all unordered pairs from a given array and the other steps required.
 def TotalAndPair ( arr , N ) :
	totalAND = ( 1 << 30 ) - 1
	for i in range ( N ) :
		for j in range ( i + 1 , N ) :
			totalAND &= ( arr [ i ] & arr [ j ] )
	return totalAND
if __name__ == ' _ _ main _ _ ' :
	arr = [ 4 , 5 , 12 , 15 ]
	N = len ( arr )
	print ( TotalAndPair ( arr , N ) )