motorcycles = ['honda', 'yamaha' ,'suzuki'] motorcycles.insert(0, "ducati")
print(motorcycles)
输出为：
['ducati', 'honda', 'yamaha', 'suzuki']
2：
motorcycles = []
motorcycles.append("honda")
motorcycles.append("yamaha")
motorcycles.append("suzuki")
print(motorcycles)输出为：
['honda', 'yamaha', 'suzuki']