first commit

f3firefighter.py

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+#!/usr/bin/python
+
+# import class FireFighter from file firefighter(.py)
+from firefighter import FireFighter
+
+# new class F3FireFighter extending class FireFighter
+class F3FireFighter(FireFighter):
+
+    # overriding printPressure in class FireFighter
+    def printPressure(self):
+        print("HINWEIS: %s ist F3 und kann auch ohne AGT atmen!" % self.name)
+        # calling printPressue as defined in class FireFighter
+        FireFighter.printPressure(self)