DR updates, first round

Author: lpozo

python-class/animals.py

@@ -1,7 +1,7 @@
 class Animal:
-    def __init__(self, name, gender, habitat):
+    def __init__(self, name, sex, habitat):
         self.name = name
-        self.gender = gender
+        self.sex = sex
         self.habitat = habitat
 
 

python-class/crafts.py

@@ -23,7 +23,7 @@ def drive(self):
 
 class Aircraft(Vehicle):
     def fly(self):
-        print("Flying on the sky...")
+        print("Flying in the sky...")
 
 
 class FlyingCar(Car, Aircraft):