Work with specifications partly added

tasks/testt.json

@@ -1,13 +1,13 @@
 {
     "title": "Example task",
     "author": "Anton Vakhrushev",
-    "meta": "av-example-task",
+    "meta": "av-example-task-version-00-10",
 
     "models": {
 
         "sintaylor": {
 
-            "title": "Simple model for example",
+            "title": "Simple model",
             "author": "Anton Vakhrushev",
             "date": "2012-03-08",
 
@@ -31,10 +31,25 @@
 
                 "n": {
                     "type":     "int",
-                    "default":  10,
+                    "default":  100,
                     "title":    "Steps",
                     "comment":  "Number of steps for algorithm"
                 }
+            },
+
+            "spec": {
+
+                "left": {
+                    "title": "Left"
+                },
+
+                "right": {
+                    "title": "Right"
+                },
+
+                "trapezium": {
+                    "title": "Trapezium"
+                }
             }
         }
     }

tasks/testt.py

@@ -26,10 +26,11 @@ def sin_taylor(x, n):
         e *= -1
     return s
 
-def answer(p):
+def answer(p, c = ''):
     return json.dumps({
         "answer": "ok",
-        "value": p
+        "value": p,
+        "comment": c
     })
 
 def error(msg):
@@ -61,7 +62,7 @@ def main():
             textdata = raw_input()
             data = json.loads(textdata)
 
-            if not len(data) and data[0]['label'] != 'sintaylor':
+            if not len(data) or data[-1]['label'] != 'sintaylor':
                 write(error('Unknown model'))
                 sys.exit(1)
 
@@ -76,9 +77,9 @@ def main():
             while l <= r:
                 y = sin_taylor(l, d)
                 res.append([l, y])
-                write(answer(l / r))
+                write(answer(l / r, data[-1]['label']))
                 l += h
-                #time.sleep(0.1)
+                time.sleep(0.1)
 
             write(result(res))