human
Count of Subsets of a given Set with element X present in it | Function to calculate ( 2 ^ ( n - 1 ) ).
Initially initialize answer to 1.
If e is odd , multiply b with answer.
Function to count subsets in which X element is present.
Check if X is present in given subset or not.
If X is present in set then calculate 2 ^ ( n - 1 ) as count.
if X is not present in a given set.
Driver code"
How can the above be solved in Python?
 ... Can you provide a code to count of Subsets of a given Set with element X present in it and the other steps required?
assistant
#Here is code to count of Subsets of a given Set with element X present in it and the other steps required.
 def calculatePower ( b , e ) :
	ans = 1 ;
	while ( e > 0 ) :
		if ( e % 2 == 1 ) :
			ans = ans * b ;
		e = e // 2 ;
		b = b * b ;
	return ans ;
def CountSubSet ( arr , n , X ) :
	count = 0 ; checkX = 0 ;
	for i in range ( n ) :
		if ( arr [ i ] == X ) :
			checkX = 1 ;
			break ;
	if ( checkX == 1 ) :
		count = calculatePower ( 2 , n - 1 ) ;
	else :
		count = 0 ;
	return count ;
if __name__ == " _ _ main _ _ " :
	arr = [ 4 , 5 , 6 , 7 ] ;
	X = 5 ;
	n = len ( arr ) ;
	print ( CountSubSet ( arr , n , X ) ) ;