motorcycles = ["honda", "yamaha", "suzuki"] first_owned = motorcycles.pop(0) print("The first motorcycle I owned was a " + first_owned.title() + ".") 输出为: The first motorcycle I owned was a Honda.…

1 List = [1,2,3,4,2,3,2] # 随意创建一个只有数字的列表 2 maxTimes = max(List,key=List.count) # maxTimes指列表中出现次数最多的元素 3 print(maxTimes) # 将出现次数最多的元素打印出来4 # 第三行的代码打印值为数字2 max()函数在文档中的说明 由说明文档可知,通常使用的是max()第二种用法: 第一种则适用于筛选出列表中出现次数最多的元素. 更多用法 1 List = [1,2,3,4,2,3,2,0…

# -*- coding: GBK -*- cars = ["bmw", "audi", "toyota", "subaru"] print("这是以前的列表:") print(cars) print("\n这是排序后的列表:") print(sorted(cars)) print("\n再次核对是否改变以前的列表:") print(cars) 输出为: 这是以前的列…

>>> cars = ["bmw", "audi", "toyota", "subaru"] >>> len(cars) 4…

# -*- coding: GBK -*- #reverse: 相反的 cars = ["bmw", "audi", "toyota", "subaru"] print(cars) cars.reverse() print(cars) 输出为: ['bmw', 'audi', 'toyota', 'subaru'] ['subaru', 'toyota', 'audi', 'bmw']…

cars = ["bmw", "audi", "toyota", "subaru"] cars.sort() print(cars) 输出为: ['audi', 'bmw', 'subaru', 'toyota'] 反向排序: cars = ["bmw", "audi", "toyota", "subaru"] cars.sort(reverse…

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") motorcyc…

motorcycles = ['honda', 'yamaha', 'suzuki'] print(motorcycles) motorcycles[0] = 'ducati' print(motorcycles) 输出为: ['honda', 'yamaha', 'suzuki'] ['ducati', 'yamaha', 'suzuki']…

bicycles = ['trek','cannondale','redline','specialized'] message = "My first bicycle was a " + bicycles[0].title() + "." print(message) 输出为: My first bicycle was a Trek.…

#输出并首字母大写 bicycles = ['trek','cannondale','redline','specialized'] print(bicycles[0].title()) 输出为: Trek…