列表解析配合集合:通过遍历原列表并记录已出现元素,兼容所有Python版本。 seen = set() unique_list = [x for x in original_list if not (x in seen or seen.add(x))] 3. 第三方库方法 对于已安装pandas或numpy的场景,可直接调用封装好的方法: Pandas的drop_dup
Python's dict class has a fromkeys class method which accepts an iterable and makes a new dictionary where the keys are the items from the given iterable.Since dictionaries can't have duplicate keys, this also de-duplicates the given items! Dictionaries also maintain the order of their items ...
Learn how to remove duplicates from a List in Python. ExampleGet your own Python Server Remove any duplicates from a List: mylist = ["a","b","a","c","c"] mylist = list(dict.fromkeys(mylist)) print(mylist) Try it Yourself » ...
与上一题不同的是,重复的数字最多可以保留两个,直接把上面程序中第8行的j = i + 1改为j = i + 2,就AC了 Python 代码: classSolution(object): defremoveDuplicates(self,nums): """ :type nums: List[int] :rtype: int """ foriinrange(0,len(nums)): j=i+2# i + 1改为 i + 2 whil...
importjsondefremove_duplicates(json_data):# 将JSON数据解析为Python对象data=json.loads(json_data)# 使用集合(set)来记录已经出现过的元素seen=set()# 创建一个新的Python对象,将不重复的元素添加到新的对象中new_data={}forkey,valueindata.items():ifisinstance(value,list):new_data[key]=[]foritemin...
defremove_duplicates(source): target=[]forelementinsource:ifelementnotintarget: target.append(element)returntarget
Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length. Do not allocate extra space for another array, you must do this in place with constant memory. For example, Given input array nums = [1,1,2], ...
如何用Python编写一个函数来移除列表中的重复元素? Python中的remove_duplicates函数应该如何实现? 编写Python函数remove_duplicates时需要注意哪些性能问题? 文章(0) 问答(9999+) 视频(3) 沙龙(0) 视频 视频合辑 共2个视频 YouTube采集软件 马哥python说
In Python, how can I efficiently remove duplicates from a list while maintaining the original order of elements? I have a list of integers, and I want to remove duplicat
Dheeraj.D, removing anything is different to removing duplicates. You can erase single items with del. In relation to my example above, let's say, the name of the dict is 'd', for example: del d['dog'] If you want to empty the whole dict, use: d.clear() 8th Nov 2019, 6:04...