Fixed Google Colab link in week 3 day 4, and latest week 8 updates

week8_wip/agents/planning_agent.py

@@ -0,0 +1,24 @@
+from agents.deals import Deal, QualityDealSelection, Opportunity
+
+from agents.scanner_agent import ScannerAgent
+from agents.ensemble_agent import EnsembleAgent
+from agents.messaging_agent import MessagingAgent
+
+
+class PlanningAgent:
+
+    def __init__(self, collection):
+        self.scanner = ScannerAgent()
+        self.ensemble = EnsembleAgent(collection)
+        self.messenger = MessagingAgent()
+
+    def plan(self):
+        opportunities = []
+        deal_selection = self.scanner.scan()
+        for deal in deal_selection.quality_deals[:5]:
+            estimate = self.ensemble.price(deal.product_description)
+            opportunities.append(Opportunity(deal, estimate, estimate - deal.price))
+        opportunities.sort(key=lambda opp: opp.discount, reverse=True)
+        print(opportunities)
+        if opportunities[0].discount > 50:
+            self.messenger.alert(opportunities[0])