On the other hand, theextend()method takes an iterable as its argument. An iterable is any object that can be looped over, such as a list, tuple, or string. # Append multiple elements my_list.extend([4, 5, 6]) # Output: # [1, 2, 3, 4, 5, 6] The below example will give ...
格式:extend(self, *args, **kwargs),list.extend(可迭代对象) date_list = list([1, 2, 3, 4, 1, (1, 2)]) date_list.extend('2') print(date_list) 运算结果:[1, 2, 3, 4, 1, (1, 2), '2'] 1. 2. 3. 4. 5. list.extend方法通过从可迭代对象中追加元素来扩展列表,目前学习...
#a list cars = 'Ford', 'Volvo', 'BMW', 'Tesla' #append item to list cars.append('Audi') print(cars) Example 2 list = 'Hello', 1, '@' list.append(2) list 'Hello', 1, '@', 2 Example 3 list = 'Hello', 1, '@', 2 list.append((3, 4)) list 'Hello', 1, '@', ...
3) # 注意是左闭右开区间 Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: tuple.index(x): x not in tuple >>> a.index('a', 1, 4) 3 >>> a.count('b') 2 >>> a.count('d') 0 Copy ...
append(tuple_test) books.append(dict_test) books.append('diango') books.append(1) books.append ('') books.append(True) print(books) print(id(books)) book_1 = ['西游记', '红楼梦'] book_2 = ['三国演义', '水浒传 16620 jquery append()和appendTo() 的区别 append()和appendTo() 的...
extending self to self requires making a copy first*/if(PyList_CheckExact(iterable)||PyTuple_Che...
append如果写入的数据是list或者tuple,都可以写入,因为list和tuple的值是作为value写入到Excel的cell中的。 如果是dict,那么keys需要是ABC..或者AB/CD/NF,再或者12345...,可以打开Excel看一下,列的编号;同时dict的value只能是str/number。 append进阶用法——按列插入数据 ...
Much like the append() method in the previous example, the extend() method adds the new element to the 2D list. The only difference you might notice is that we wrapped the new element inside a pair of square brackets [ ] while including it in the 2D list. The extend() method uses ...
百度试题 结果1 题目 以下关于元组[1](tuple)的说法正确的是?A元组的元素可以被修改。B可以使用.append()方法向元组添加新元素。C元组中的元素必须是相同类型的。D元组与列表的主要区别是元组是不可变的。 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
The Python List append() method is used to add new objects to a list. This method accepts an object as an argument and inserts it at the end of the existing list. The object argument can be of any type, as a Python list can hold multiple data type elements. However, if the object...