human
Modify a given matrix by placing sorted boundary elements in clockwise manner | Function to print the elements of the matrix in row - wise manner.
Function to sort boundary elements of a matrix starting from the outermost to the innermost boundary and place them in a clockwise manner.
k - starting row index m - ending row index l - starting column index n - ending column index i - iterator.
Stores the current boundary elements.
Push the first row.
Push the last column.
Push the last row.
Push the first column.
Sort the boundary elements.
Update the first row.
Update the last column.
Update the last row.
Update the first column.
Print the resultant matrix.
Driver Code.
Given matrix"
Solution in Python:

Can you provide a code to modify a given matrix by placing sorted boundary elements in clockwise manner and the other steps required?
assistant
#Here is code to modify a given matrix by placing sorted boundary elements in clockwise manner and the other steps required.
 def printMatrix ( a ) :
	for x in a :
		for y in x :
			print ( y , end = " ▁ " )
		print ( )
def sortBoundaryWise ( a ) :
	k = 0
	l = 0
	m = len ( a )
	n = len ( a [ 0 ] )
	n_k = 0
	n_l = 0
	n_m = m
	n_n = n
	while ( k < m and l < n ) :
		boundary = [ ]
		for i in range ( l , n ) :
			boundary . append ( a [ k ] [ i ] )
		k += 1
		for i in range ( k , m ) :
			boundary . append ( a [ i ] [ n - 1 ] )
		n -= 1
		if ( k < m ) :
			for i in range ( n - 1 , l - 1 , - 1 ) :
				boundary . append ( a [ m - 1 ] [ i ] )
			m -= 1
		if ( l < n ) :
			for i in range ( m - 1 , k - 1 , - 1 ) :
				boundary . append ( a [ i ] [ l ] )
			l += 1
		boundary . sort ( )
		ind = 0
		for i in range ( n_l , n_n ) :
			a [ n_k ] [ i ] = boundary [ ind ]
			ind += 1
		n_k += 1
		for i in range ( n_k , n_m ) :
			a [ i ] [ n_n - 1 ] = boundary [ ind ]
			ind += 1
		n_n -= 1
		if ( n_k < n_m ) :
			for i in range ( n_n - 1 , n_l - 1 , - 1 ) :
				a [ n_m - 1 ] [ i ] = boundary [ ind ]
				ind += 1
			n_m -= 1
		if ( n_l < n_n ) :
			for i in range ( n_m - 1 , n_k - 1 , - 1 ) :
				a [ i ] [ n_l ] = boundary [ ind ]
				ind += 1
			n_l += 1
	printMatrix ( a )
if __name__ == " _ _ main _ _ " :
	matrix = [ [ 9 , 7 , 4 , 5 ] , [ 1 , 6 , 2 , - 6 ] , [ 12 , 20 , 2 , 0 ] , [ - 5 , - 6 , 7 , - 2 ] ]
	sortBoundaryWise ( matrix )