>>>lst=[1,2,3]>>>del(2)File"<stdin>",line1SyntaxError:cannot delete literal del还可以删除整个列表: 代码语言:python 代码运行次数:0 运行 AI代码解释 >>>lst=[1,2,3]>>>del(lst)>>>lst Traceback(most recent call last):File"<stdin>",line1,in<module>NameError:name'lst'isnotdefined ...
You can remove multiple items from a list in Python using many ways like,ifcontrol statements, list comprehension,enumerate(), list slicing, and for loop. In this article, I will explain how to remove multiple items from a list by using all these methods with examples. Advertisements 1. Qui...
mylist.remove(item) print(mylist) 执行和输出: 可以看出该项已移除,它后边的每项的索引减一。 5.2. 移除出现多次的元素 在接下来的示例中,我们新建了一个包含多个元素的列表,而要移除的项 21,在列表中出现了两次。 # Remove item that is present multiple times in the List ...
4.1 删除列表【语法】del 列表名# 新建一个str列表 str_list = ["当归", "人参", "黄芪"] ...
*Numbers(数字)*String(字符串)*List(列表)*Tuple(元组)*Dictionary(字典) 三、 Python数字(Number) Python数字类型用于存储数值数值类型是不允许改变的,这就意味着如果改变数字类型的值,将重新分配内存空间 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ...
在Python中，`del`（不是`delete`，Python中没有名为`delete`的内置函数或关键字，这里按照正确的`del`来讲解用法）是一个非常有用的操作符。一、基本用法 1. 删除变量 - 在Python中，如果你想删除一个不再需要的变量，就可以使用`del`。例如，你定义了一个变量`x = 10`，后来发现不需要这个变量了，就...
|__contains__(self, key, /)| Return keyinself.| |__delitem__(self, key, /)|Delete self[key].| |__eq__(self, value, /)| Return self==value.| |__ge__(self, value, /)| Return self>=value.| |__getattribute__(self, name, /)|Return getattr(self, name).| ...
How to get first N items from a list in Python Delete an Item from a list in Python codespeedy_list =['hey','there','','whats','','up'] print(codespeedy_list) codespeedy_list =list(filter(bool, codespeedy_list)) print(codespeedy_list) ...
Understand how to remove items from a list in Python. Familiarize yourself with methods like remove(), pop(), and del for list management.
Here, it removed the element from the 3rd index which is the 4th element from the list. 5. Using del Keyword Similarly, you can use the del keyword to delete the element by index. # Use del keyword numbers = [2, 5, 8, 4, 1, 7, 3, 9] ...