Adding task3.py (B3)

task3.py

+f = open('matrix.txt', 'r')
+
+line1 = f.readline()
+rowscols = line1.split()
+rows = int(rowscols[0])
+cols = int(rowscols[1])
+
+Mat = [[None for j in range(cols)] for i in range(rows)]
+
+for i in range(rows):
+	line = f.readline()
+	colvec = line.split()
+	for j in range(cols):
+		Mat[i][j] = colvec[j]
+
+f.close()
+
+Trans = [[None for j in range(rows)] for i in range(cols)]
+        
+for i in range(cols):
+    for j in range(rows):
+        Trans[i][j] = Mat[j][i]
+
+f2 = open('transpose.txt','w')
+
+f2.write(str(cols))
+f2.write(" ")
+f2.write(str(rows))
+f2.write("\n")
+
+for i in range(cols):
+    for j in range(rows):
+        f2.write(str(Trans[i][j]))
+        f2.write(" ")
+    f2.write("\n")
+
+f2.close()
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