# Python List – Append or Add Item cars = ['Ford', 'Volvo', 'BMW', 'Tesla'] cars.append('Audi') print(cars) 1. 2. 3. 4. 执行和输出: 5. 移除元素 移除Python 列表中的某项可以使用列表对象的 remove() 函数,使用该方法语法如下: mylist.remove(thisitem) 1. thisitem 是要从 mylist...
序列类型有list()、tuple()、str()这三个类型转换的内建函数。 list(iter):将可迭代对象iter转换成列表。 tuple(iter):将可迭代对象iter转换成元组。 str(obj):将对象obj转换成字符串。 list()和tuple()函数比较常用,常用于列表和元组数据的类型转换,参数不仅可以是序列对象,还可以是一切可迭代对象。 print(l...
/usr/bin/env python#coding:utf-8list=[1,2,3,4,5]printdir(list)printhelp(type(list)) 见如上代码执行后的输出内容: 代码语言:javascript 复制 C:\Python27\python.exeD:/git/Python/FullStack/Study/index.py['__add__','__class__','__contains__','__delattr__','__delitem__','__d...
list.append() 在列表末尾追加新的对象 1>>>dir(list) #dir 查看列表的函数2['__add__','__class__','__contains__','__delattr__','__delitem__','__delslice__','__doc__','__eq__','__format__','__ge__','__getattribute__','__getitem__','__getslice__','__gt__'...
2 def add_to_cart(item): 3 """将商品添加到购物车""" 4 shopping_cart.append(item) # 使用append方法将商品添加到列表末尾 5 print(f"{item} 已添加到购物车!") 注意事项:append方法是列表的一个内置方法,它用于在列表的末尾添加一个元素。
for cat in cats for dog in dogs for item in list_of_items 4.1.3 避免缩进错误 我们可以在for循环中执行更多操作,也可以在for循环结束后执行操作。 rapstars = ['XMASwu','bbnoS','Rich Brian'] for rapstar in rapstars: print(f"{rapstar},that was a great show!") print(f"I can't to ...
(self.x - other_point.x) **2+ (self.y - other_point.y) **2)# how to use it:point1 = Point() point2 = Point() point1.reset() point2.move(5,0)print(point2.calculate_distance(point1))assertpoint2.calculate_distance(point1) == point1.calculate_distance( ...
Now, I will show you how to add a string to the list using the different methods. As you know, a string is a collection of characters. Add String to List Python using append() Method The list object has a method called append() which allows you to append the item to the list. ...
Next, add a C++ file to each project.In Solution Explorer, expand the project, right-click the Source Files node, and select Add > New Item. In the list of file templates, select C++ File (.cpp). Enter the Name for the file as module.cpp, and then select Add. Important Be sure ...
其中：index 为 enumerate( ) 函数赋给元素的索引；item 为每个索引对应的元素；list_name 为列表名称...