items.sort() return [value for key, value in items] 又一个按照key值排序,貌似比上一个速度要快点 def sortedDictValues2(adict): keys = adict.keys() keys.sort() return [dict[key] for key in keys] 还是按key值排序,据说更快。。。而且当key为tuple的时候照样适用 def sortedDictValues3(ad...
Python提供了一个内置的函数sorted(),可以对可迭代对象进行排序,包括字典的值。我们可以通过传递一个可迭代对象给sorted()函数来对字典的值进行排序。 下面是一个简单的示例,演示了如何对字典的值进行排序: # 创建一个字典scores={'Alice':85,'Bob':92,'Charlie':78,'David':95}# 对字典的值进行排序sorted_...
sortedDictValues1(adict): keys = adict.keys() keys.sort() return [adict[key] for in 1. 2. 3. 4. 5. 6. 7. 8. 方法3:通过映射的方法去更有效的执行最后一步 def sortedDictValues1(adict): keys = adict.keys() keys.sort() return map (adict.get,keys ) 1. 2. 3. 4. 5. ...
keys.sort()return[dict[key]forkeyinkeys] defsortedDictValues3(adict): keys = adict.keys() keys.sort()returnmap(adict.get, keys) #一行语句搞定:[(k,di[k])forkinsorted(di.keys())] 按value 排序 #还是一行搞定:[ vforvinsorted(di.values())]...
python dict 的sort函数 python dict 的sort函数 Python是一种功能强大的编程语言,提供了许多内置的数据结构和函数来帮助开发者处理和操作数据。其中,字典(dict)是一种非常常用的数据结构,用于存储键值对。在Python中,字典是无序的,这意味着字典中的元素没有固定的顺序。然而,有时我们需要对字典进行排序,以便...
Python Code: # Define a function 'sort_dict_by_value' that takes a dictionary 'd' and an optional 'reverse' flag.# It returns the dictionary sorted by values in ascending or descending order, based on the 'reverse' flag.defsort_dict_by_value(d,reverse=False):returndict(sorted(d.items...
1: 按照键值(value)排序 a = {'a': 'China', 'c': 'USA', 'b': 'Russia', 'd': 'Canada'} b = sorted(a.items(), key=lambda x: x[1], reverse=True) 结果: [('c', 'USA'), ('b', 'Russia'), ('a', 'China'), ('d', 'Canada')] ...
If you’d like to sort a dictionary by its keys, you can use the built-insortedfunction along with thedictconstructor: >>>sorted_dictionary=dict(sorted(old_dictionary.items())) If you’d like to sort a dictionary by its values, you can pass a customkeyfunction (one which returns the ...
Python sort list of dictionaries When sorting dictionaries, we can choose the property by which the sorting is performed. sort_dict.py #!/usr/bin/python users = [ {'name': 'John Doe', 'date_of_birth': 1987}, {'name': 'Jane Doe', 'date_of_birth': 1996}, ...
num))) def __hash__(self): # for dict return hash((self.name, self.num)) def __eq__(self, other): return (self.name, self.num) == (other.name, other.num) def __lt__(self, other): return (self.name, self.num) < (other.name, other.num) ## list sort L = [X('d...