Add tutorial models

examples/tutorial_parallel/policeman.py

@@ -0,0 +1,25 @@
+from pypdevs.DEVS import *
+
+class Policeman(AtomicDEVS):
+	def __init__(self):
+		AtomicDEVS.__init__(self, "policeman")
+		self.out = self.addOutPort("output")
+		self.state = "idle"
+
+	def intTransition(self):
+		if self.state == "idle":
+			return "working"
+		elif self.state == "working":
+			return "idle"
+
+	def timeAdvance(self):
+		if self.state == "idle":
+			return 20
+		elif self.state == "working":
+			return 360
+
+	def outputFnc(self):
+		if self.state == "idle":
+			return {self.out: ["manual"]}
+		elif self.state == "working":
+			return {self.out: ["auto"]}