Example 2: remove() method on a list having duplicate elements If a list contains duplicate elements, theremove()method only removes the first matching element. # animals listanimals = ['cat','dog','dog','guinea pig','dog'] # 'dog' is removedanimals.remove('dog') # Updated animals l...
Write a function,remove_duplicatesthat takes a list as its argument and returns a new list containing the unique elements of the original list. The elements in the new list without duplicates can be in any order. Suggested test cases: Try an input list with no duplicate elements. The output...
class Solution: def removeDuplicateLetters(self, s: str) -> str: # last_index[ch] 表示 ch 在 s 中的最后一个出现的位置 last_index: Dict[str, int] = { # 带下标遍历 s 中的字符,更新每个字符最后一次出现的位置 ch: i for i, ch in enumerate(s) } # is_in_stack[ch] 表示 ch 是否...
Write a Python program to remove duplicates from a list while maintaining the order. Write a Python program to find all unique elements from a list that appear only once. Write a Python program to remove consecutive duplicate elements from a list. Write a Python program to remove duplicate sub...
Method-1: remove the first element of a Python list using the del statement One of the most straightforward methods to remove the first element from a Python list is to use thedelstatement in Python. Thedelstatement deletes an element at a specific index. ...
The above code removes all unnecessary whitespace from the front and back of the string “Hello, World! “, leaving only the string “Hello, World!”. To remove all duplicate values from a list in Python, you can use the following code: ...
Write a function,remove_duplicatesthat takes a list as its argument and returns a new list containing the unique elements of the original list. The elements in the new list without duplicates can be in any order. Suggested test cases: Try an input list with no duplicate elements. The output...
A Pythonlistis an ordered sequence that can contain duplicate values. Some Python applications may require a list that only contains unique elements. There are several techniques to remove duplicates from a list in Python. The right solution depends on whether the application needs to maintain the...
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
ifxnotintemp:# Append the unique element 'x' to the 'temp' listtemp.append(x)# Return the list of unique elementsreturntemp# Create a list of strings 'text_str' with duplicate wordstext_str=["Python","Exercises","Practice","Solution","Exercises"]# Print a message indicating the ...