human
Count number of ways to partition a set into k subsets | Returns count of different partitions of n elements in k subsets.
Base cases.
S ( n + 1 , k ) = k * S ( n , k ) + S ( n , k - 1 ).
Driver Code"
How can the above be solved in Python?

What is a code to count number of ways to partition a set into k subsets and the other steps required?
assistant
#Here is code to count number of ways to partition a set into k subsets and the other steps required.
 def countP ( n , k ) :
	if ( n == 0 or k == 0 or k > n ) :
		return 0
	if ( k == 1 or k == n ) :
		return 1
	return ( k * countP ( n - 1 , k ) + countP ( n - 1 , k - 1 ) )
if __name__ == " _ _ main _ _ " :
	print ( countP ( 3 , 2 ) )