task3 done

matrix.txt

+3 4
+1 2 3 4
+5 6 7 8
+2 5 6 8

task2.py

 def function2(listVariable,n):
-	l = list(map(lambda elem : elem[n-1],listVariable))
+	l = list(map(lambda elem : elem[n],listVariable))
 	print (l)
 	l.sort()
 	return l
 
 li = [(22,3),(2634,4642),(235,32)]
-print (function2(li,2))
\ No newline at end of file
+function2(li,1)
\ No newline at end of file

task3.py

+def function2(listVariable,n):
+	l = list(map(lambda elem : elem[n],listVariable))
+	return l
+
+f = open('matrix.txt','r')
+
+dim = next(f).split() 
+dim[0] = int(dim[0])
+dim[1] = int(dim[1])
+
+r = dim[0]
+c = dim[1]
+
+mat = [[None]*c]*r
+
+
+for i in range(0,r):
+	ml =[]
+	for x in next(f).split():
+		ml.append(int(x))
+		mat[i] = ml
+
+t = open('transpose.txt','w')
+dim = [c,r]
+k = ''.join(str(x)+' ' for x in dim)
+t.write(k+'\n')
+
+mat_tr = []
+for j in range(0,c):
+	row = function2(mat,j)
+	mat_tr.append(row)
+	s = ''.join(str(y)+' ' for y in row)
+	t.write(s+'\n')
\ No newline at end of file

transpose.txt

+4 3 
+1 5 2 
+2 6 5 
+3 7 6 
+4 8 8