Make main.py user-friendly

main.py

@@ -7,21 +7,29 @@
 from time import sleep
 import sys
 
-print("HI");
+print("Welcome to the Rubik's Cube!");
+
 def fun():
+    """This function is launched after the graphics has been initialized."""
+
+    print('Generating random algorithm')
     algo=randomAlgorithm(20);
     print(algo)
 
+    print('Applying random algorithm to the cube')
     c.action(algo);
+
+    print('Getting the solution algorithm')
     answer=c.solve()
-    #answer="y";
-    print ("Solved by: "+answer)
-
+    print (answer)
+
+    print('Applying the solution to the cube')
     c.action(answer);
-    #c.actionRealTime(answer);
-    print (c.isSolved())
-    print ("HI")
+
+    print('Is rubiks cube solved? {}'.format(c.isSolved()))
+
     print ("End of Program")
+
 c=Cube()
 #c.updateFaceColors();
 graphics=GUI(c)
@@ -30,52 +38,4 @@ def fun():
 c.setFunction(fun)
 
 
-#algo=opposite_of("y2 R U R' y' R2 Ui E R U' R' U R' U Ei R2");
-algo="S M z Si D xi Di L Fi R B2 M Ri M x Bi Li zi B yi Si y Ei yi L S Bi yi xi Ei R2 D xi Bi R xi xi zi M D2 zi yi Si F S Bi Di"
-if False:
-    i=0
-    while True:
-        if(not c.isSolved()):
-            print("broken at first");
-            break;
-        i+=1
-        print ("see problems.txt");
-        print ("round "+str(i))
-        algo=randomAlgorithm(50)
-        print (algo)
-        c.action(algo);
-        try:
-            answer=c.solve();
-        except:
-            print ("error in program");
-            raise SystemError
-        c.action(answer)
-        if(not c.isSolved()):
-            print (FaceColor.top)
-            print (c.getSide(TOP_SIDE));
-            print ("");
-
-            print (FaceColor.bottom)
-            print ( c.getSide(BOTTOM_SIDE) );
-            print ("")
-
-            print (FaceColor.left);
-            print (c.getSide(LEFT_SIDE));
-            print ("");
-
-            print (FaceColor.right);
-            print (c.getSide(RIGHT_SIDE));
-            print ("");
-            print ("cube is not solved");
-            raise SystemError;
-        print ("\n")
-    sys.exit();
-else:
-    #c.action(randomAlgorithm(50));
-    #c.actionRealTime(c.solve());
-    #c.save('saves/1');
-    #sys.exit();
-    pass
-
-
 graphics.begin()