ExampleGet your own Python Server Get the value of the "model" item: car = { "brand":"Ford", "model":"Mustang", "year":1964 } x = car.setdefault("model","Bronco") print(x) Try it Yourself » Definition and Usage Thesetdefault()method returns the value of the item with the sp...
print("Dictionary:",Dictionary1) print("Third_value:",Third_value) 输出: Dictionary:{'A':'Geeks','C':'Geeks','B':'For'} Third_value:Geeks 示例#2:当 key 不在字典中时。 Python3实现 # Python program to show working # of setdefault() method in Dictionary # Dictionary with single item...
Python Dictionary setdefault() MethodPython Dictionary setdefault() Method: In this tutorial, we will learn about the setdefault() method of a dictionary with its usage, syntax, parameters, return type, and examples. By IncludeHelp Last updated : June 12, 2023 ...
Python 字典(Dictionary) setdefault() 方法❮ Python 字典方法 实例 获取"model" 项的值: car = { "brand": "Ford", "model": "Mustang", "year": 1964} x = car.setdefault("model", "Bronco")print(x) 亲自试一试 » 定义和用法setdefault() 方法使用指定的键返回项目的值。
Python 字典(Dictionary) setdefault()方法Python 字典描述Python 字典 setdefault() 函数和 get()方法 类似, 如果键不存在于字典中,将会添加键并将值设为默认值。语法setdefault() 方法语法:dict.setdefault(key, default=None) 参数key -- 查找的键值。 default -- 键不存在时,设置的默认键值。
Python 字典(Dictionary) setdefault()方法 描述 Python 字典(Dictionary) setdefault() 函数和get()方法类似, 如果键不已经存在于字典中,将会添加键并将值设为默认值。 语法 setdefault()方法语法: dict.setdefa
print("Dictionary:", Dictionary1) print("Third_value:", Third_value) 输出: Dictionary:{'A':'Geeks', 'C':'Geeks', 'B':'For'} Third_value:Geeks 范例2:当键不在词典中时。 # Python program to show working# ofsetdefault() method in Dictionary# Dictionary with single itemDictionary1 = ...
Python 字典(Dictionary) setdefault()方法 Python 字典 描述 Python 字典 setdefault() 函数和get()方法类似, 如果键不存在于字典中,将会添加键并将值设为默认值。 语法 setdefault() 方法语法: dict.setdefault(key,default=None) 参数 key -- 查找的键值。
Python dictionary setdefault() Method - The Python dictionary setdefault() method is used to retrieve the value of the specified key in the dictionary.
Python 字典(Dictionary) setdefault()方法 描述 Python 字典 setdefault() 函数和get() 方法类似, 如果键不存在于字典中,将会添加键并将值设为默认值。 语法 setdefault()方法语法: dict.setdefault(key, default=None) 参数 key -- 查找的键值。 default -- 键不存