initial file upload

chap3/cars.py

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+cars = ['bmw', 'audi', 'toyota', 'subaru']
+cars.sort()
+print(cars)
+
+cars.sort(reverse=True)
+print(cars)
+
+cars = ['bmw', 'audi', 'toyota', 'subaru']
+print("\nHere is the original list:")
+print(cars)
+
+print("\nHere is the sorted list:")
+print(sorted(cars))
+
+print("\nHere is the original list again:")
+print(cars)
+
+cars.reverse()
+print(cars)
+
+length_cars = len(cars)
+print(length_cars)