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Ways to multiply n elements with an associative operation | Function to find the required factorial.
Function to find nCr.
function to find the number of ways.
Driver code"
How can the above be solved in Python?

What is a code to ways to multiply n elements with an associative operation and the other steps required?
assistant
#Here is code to ways to multiply n elements with an associative operation and the other steps required.
 def fact ( n ) :
	if ( n == 0 or n == 1 ) :
		return 1 ;
	ans = 1 ;
	for i in range ( 1 , n + 1 ) :
		ans = ans * i ;
	return ans ;
def nCr ( n , r ) :
	Nr = n ; Dr = 1 ; ans = 1 ;
	for i in range ( 1 , r + 1 ) :
		ans = int ( ( ans * Nr ) / ( Dr ) ) ;
		Nr = Nr - 1 ;
		Dr = Dr + 1 ;
	return ans ;
def solve ( n ) :
	N = 2 * n - 2 ;
	R = n - 1 ;
	return ( nCr ( N , R ) * fact ( n - 1 ) ) ;
n = 6 ;
print ( solve ( n ) ) ;