Chapter 3 List
Create
bicycles = ['trek', 'cannondale' , 'redline', 'specialized']
print(bicycles)
Found
print('bicycles[0] = ' + bicycles[0])
Assignment
bicycles[0] = 'trek2'
print(bicycles)
Append 附加到List末尾
bicycles.append('specialized2')
print(bicycles)
Found Last 查询倒数第2个元素
print('bicycles[-2] = ' + bicycles[-2])
Insert
bicycles.insert(0, 'trek3')
print(bicycles)
bicycles.insert(3, 'trek4')
print(bicycles)
Delete 删除
del bicycles[3]
print(bicycles)
Pop 出栈
popped_m = bicycles.pop()
print(bicycles)
print(popped_m)
出栈某个位置的元素
popped_m = bicycles.pop(3)
print(bicycles)
print(popped_m)
Remove 移除某个值的元素
bicycles.remove('cannondale')
print(bicycles)
Sort 永久性a-z排序
cars = ['bbb', 'aaa', 'ttttt', 'ssss']
cars.sort();
print(cars)
z-a倒序
cars.sort(reverse = True);
print(cars)
print('\n')
Sorted 临时排序
cars = ['bbb', 'aaa', 'ttttt', 'ssss']
print(cars)
print(sorted(cars));
print(sorted(cars, reverse = True));
print('\n')
Reverse 反转列表元素
cars = ['bbb', 'aaa', 'ttttt', 'ssss']
print(cars)
cars.reverse();
print(cars)
Length
len(cars);
