The len() function takes a single object as argument. It can be: Sequence - list, tuple, string, range, etc. Collection - set, dictionary etc. len() Return Value It returns an integer (the length of the object). Example 1: Working of len() with Tuples, Lists and Range x = [1...
Python len() function: In this tutorial, we will learn about the len() function in Python with its use, syntax, parameters, returns type, and examples.
示例1:具有元组、列表和字符串的 Len() 函数 Python实现 示例2:Python len() TypeError Python3实现 示例3:带有字典和集合的 Python len() Python3实现 示例4:带有自定义对象的 Python len() Python3实现 Python string length | len() Python len() 函数返回字符串的长度。 Python len() 语法: 长度(字符...
Python len() 函数示例 1 下面的例子显示了字符串的长度。 strA ='Python'print(len(strA)) 输出: 6 说明: 上面的例子使用 len() 函数返回字符串 strA 的长度。 Python len() 函数示例2 下面的例子显示了列表的长度。 listA = ['Python','C','C++','Java'] print(len(listA)) 输出: 4 Python len...
len() 函数返回对象中项目的数量。当对象是字符串时,len() 函数返回字符串中的字符数。语法 len(object) 参数值 参数描述 object 必需。对象。必须是序列或集合。更多实例 返回字符串中的字符数:x = len("Hello") print(x) 运行一下iter() list() 分类...
The LEN function is described with the following syntax: =LEN (text) Arguments ArgumentRequired or OptionalValue text Required The text to calculate the length. Note: LEN reflects the length of text as a number. This function works with numbers, but number formatting is not included. The ...
Python len() Function❮ Built-in Functions ExampleGet your own Python Server Return the number of items in a list: mylist = ["apple", "banana", "cherry"]x = len(mylist) Try it Yourself » Definition and UsageThe len() function returns the number of items in an object....
In the following section, you’ll learn how to define any class so that it’s usable as an argument for the len() Python function. You can explore the pandas module further in The Pandas DataFrame: Make Working With Data Delightful.
File "/home/b5a486420afaeff59dc5dbb7f4341ab3.py", line 15, in <module> print(len(complex1)) NameError: name 'complex1' is not defined 正如我们在上面的输出中看到的,如果我们尝试使用 Python len() 函数打印内置数据类型(例如 int、float 和 bool)的长度,则会出现错误。
Python len() function is used to get the total length of the dictionary, this is equal to the number of items in the dictionary. len() function