Program to find whether a no is power of two | Function to check if x is power of 2 ; First x in the below expression is for the case when x is 0 ; Driver code
def isPowerOfTwo ( x ) : NEW_LINE INDENT return ( x and ( not ( x & ( x - 1 ) ) ) ) NEW_LINE DEDENT if ( isPowerOfTwo ( 31 ) ) : NEW_LINE INDENT print ( ' Yes ' ) NEW_LINE DEDENT else : NEW_LINE INDENT print ( ' No ' ) NEW_LINE DEDENT if ( isPowerOfTwo ( 64 ) ) : NEW_LINE INDENT print ( ' Yes ' ) NEW_LINE DEDENT else : NEW_LINE INDENT print ( ' No ' ) NEW_LINE DEDENT