链接:https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string python # 1047.删除所有相邻的重复字符 class Solution: def removeDuplicates(self,s: str) -> str: """ 借助辅助栈,同则出栈,否则入栈,最后拼接字符返回,时间O(n), 空间最坏O(n) """ stack = [] foriinrange(len(...
这道题是之前那道Remove All Adjacent Duplicates In String的拓展,那道题只是让移除相邻的相同字母,而这道题让移除连续k个相同的字母,规则都一样,移除后的空位不保留,断开的位置重新连接,则有可能继续生成可以移除的连续字母。最直接暴力的解法就是多次扫描,每次都移除连续k个字母,然后剩下的字母组成新的字符串,...
Practice this topic by working on theserelated Python exercises. flip_dict: Flip keys and values in a dictionary.uniques_only: Get unique items from an iterable while maintaining item ordermoviestats: Utilities for asking questions of a JSON-based data fileduplicates_only: Refactor duplicate-checkin...
if len(stack)>0 and letter == stack[-1]: duplicate += 1 if duplicate == k-1: for _ in range(k-1): stack.pop() duplicate = 0 for i in range(len(stack)-1,0,-1): if stack[i] == stack[i-1]: duplicate += 1 else: break else: stack.append(letter) else: stack.append(...
Python Code: # Define a function 'unique_list' that removes duplicates from a listdefunique_list(l):# Create an empty list 'temp' to store unique elementstemp=[]# Iterate through the elements of the input list 'l'forxinl:# Check if the element 'x' is not in the 'temp' list (i....
drop_duplicates(subset = ['x1', 'x2']) # Remove duplicates in subset print(data_new2) # Print new dataIn Table 3 you can see that we have created another data set that contains even less rows by running the previous Python code....
How to Remove Duplicates From a Python List❮ Previous Next ❯ 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) ...
Python Code:# Import itertools import itertools # Function to remove consecutive duplicates def remove_consecutive_duplicates(s1): # Group into consecutive characters # Keep only first instance of each return ''.join(i for i, _ in itertools.groupby(s1)) # Test string s1= "aabcdaee" # Print...
Remove Duplicates系列笔记 第一题 Python代码: # Definition for singly-linked list. classListNode(object): def__init__(self,x): self.val=x self.next=None classSolution(object): defdeleteDuplicates(self,head): """ :type head: ListNode
Python and its third-party libraries offer several options for removing duplicates from a list. You can continue learning Python with these blog posts: How to Convert String to Bytes in Python Python yield Keyword: What Is It and How to Use It?