Add tutorial models

examples/tutorial_classic/policeman.py

@@ -0,0 +1,26 @@
+from pypdevs.DEVS import *
+
+class Policeman(AtomicDEVS):
+    def __init__(self):
+        AtomicDEVS.__init__(self, "policeman")
+        self.out = self.addOutPort("output")
+        self.state = "idle"
+        self.elapsed = 0.0
+
+    def intTransition(self):
+        if self.state == "idle":
+            return "working"
+        elif self.state == "working":
+            return "idle"
+
+    def timeAdvance(self):
+        if self.state == "idle":
+            return 300
+        elif self.state == "working":
+            return 3600
+
+    def outputFnc(self):
+        if self.state == "idle":
+            return {self.out: "go_to_work"}
+        elif self.state == "working":
+            return {self.out: "take_break"}