《python编程：从入门到实践》第三版第三章代码资源

bicycles.py:

bicycles = ['trek', 'cannondale', 'redline', 'specialized']
print(bicycles)


bicycles = ['trek', 'cannondale', 'redline', 'specialized']
print(bicycles[0])


bicycles = ['trek', 'cannondale', 'redline', 'specialized']
print(bicycles[1])
print(bicycles[3])


bicycles = ['trek', 'cannondale', 'redline', 'specialized']
print(bicycles[-1])


bicycles = ['trek', 'cannondale', 'redline', 'specialized']
message = f"My first bicycle was a {bicycles[0].title()}."

print(message)

motorcycles.py:

motorcycles = ['honda','yamaha','suzuki']
print(motorcycles)

motorcycles[0] = 'ducati'
print(motorcycles)


motorcycles = ['honda','yamaha','suzuki']
print(motorcycles)

motorcycles.append('ducati')
print(motorcycles)


motorcycles = []

motorcycles.append('honda')
motorcycles.append('yamaha')
motorcycles.append('suzuki')

print(motorcycles)


motorcycles = ['honda','yamaha','suzuki']

motorcycles.insert(0,'ducati')
print(motorcycles)


motorcycles = ['honda','yamaha','suzuki']
print(motorcycles)

del motorcycles[0]
print(motorcycles)


motorcycles = ['honda','yamaha','suzuki']
print(motorcycles)

del motorcycles[1]
print(motorcycles)


motorcycles = ['honda','yamaha','suzuki']
print(motorcycles)

popped_motorcycles = motorcycles.pop()
print(motorcycles)
print(popped_motorcycles)


motorcycles = ['honda','yamaha','suzuki']

last_owned = motorcycles.pop()
print(f"The last motorcycle I owned was a {last_owned.title()}.")


motorcycles = ['honda','yamaha','suzuki']

first_owned = motorcycles.pop()
print(f"The first motorcycle I owned was a {first_owned.title()}.")


motorcycles = ['honda','yamaha','suzuki','ducati']
print(motorcycles)

motorcycles.remove('ducati')
print(motorcycles)


motorcycles = ['honda','yamaha','suzuki','ducati']
print(motorcycles)

too_expensive = 'ducati'
motorcycles.remove(too_expensive)
print(motorcycles)
print(f"\nA {too_expensive.title()} is too expensive for me.")


motorcycles = ['honda','yamaha','suzuki']
print(motorcycles[3])


motorcycles = ['honda','yamaha','suzuki']
print(motorcycles[-1])


otorcycles = []
print(motorcycles[-1])

cars.py:

cars = ['bmw', 'audi', 'toyota', 'subaru']
cars.sort()
print(cars)


cars = ['bmw', 'audi', 'toyota', 'subaru']
cars.sort(reverse=True)
print(cars)


cars = ['bmw', 'audi', 'toyota', 'subaru']

print("Here 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 = ['bmw', 'audi', 'toyota', 'subaru']
print(cars)

cars.reverse()
print(cars)