human
Mean of array generated by products of all pairs of the given array | Function to find the mean of pair product array of arr.
Store product of pairs.
Generate all unordered pairs.
Store product of pairs.
Size of pairArray.
Store sum of pairArray.
Stores the mean of pairArray.
Find mean of pairArray.
Return the resultant mean.
Driver Code.
Given array arr.
Function Call"
How can the above be solved in Python?
 ... What is a code to mean of array generated by products of all pairs of the given array and the other steps required?
assistant
#Here is code to mean of array generated by products of all pairs of the given array and the other steps required.
 def pairProductMean ( arr , N ) :
	pairArray = [ ] ;
	for i in range ( N ) :
		for j in range ( i + 1 , N ) :
			pairProduct = arr [ i ] * arr [ j ] ;
			pairArray . append ( pairProduct ) ;
	length = len ( pairArray ) ;
	sum = 0 ;
	for i in range ( length ) :
		sum += pairArray [ i ] ;
	mean = 0 ;
	if ( length != 0 ) :
		mean = sum / length ;
	else :
		mean = 0 ;
	return mean ;
if __name__ == ' _ _ main _ _ ' :
	arr = [ 1 , 2 , 4 , 8 ] ;
	N = len ( arr ) ;
	print ( " { 0 : . 2f } " . format ( pairProductMean ( arr , N ) ) )