Note:negative index means we count the index of element from backward, .egmy_list[-1]is "e" andmy_list[-2]is "d". We can also use thelen()function to remove the last n element from the list without using any ne
Method-4: Remove the first element of the Python list using the remove() method Theremove()method in Python removes the first occurrence of a specified value from a list. However, we must know the actual value that we want to remove, not just its position. If we want to remove the fi...
remove()函数是Python列表对象的一个方法,它的语法如下: list.remove(element) 1. 其中,list表示目标列表对象,element表示要删除的元素。 remove()函数的行为 remove()函数从列表中删除第一个与指定元素匹配的元素。如果列表中不存在该元素,会抛出ValueError异常。值得注意的是,remove()函数只删除第一个匹配的元素,...
Theremove()method takes a single element as an argument and removes it from the list. If theelementdoesn't exist, it throwsValueError: list.remove(x): x not in listexception. Return Value from remove() Theremove()doesn't return any value (returnsNone). Example 1: Remove element from th...
Python list delAlternatively, we can also use the del keyword to delete an element at the given index. main.py #!/usr/bin/python words = ["sky", "cup", "new", "war", "wrong", "crypto", "forest", "water", "cup"] del words[0] del words[-1] print(words) vals = [0, 1...
list.add(3); list.add(4); // 删除元素值为 2 的元素 for (int i = 0; i < list.size(); i++) { if (Objects.equals(list.get(i), 2)) { list.remove(i); } } System.out.println(list); // [1, 3, 4] 1. 2. 3. ...
Using the remove() function Theremove()function is Python’s built-in method to remove an element from a list. Theremove()function is as shown below. list.remove(item) Below is a basic example of using theremove()function. The function will remove the item with the value3from the list...
list.remove(currentItem) else: lastItem = currentItem return list 方法2,设一临时列表保存结果,从头遍历原列表,如临时列表中没有当前元素则追加: def deleteDuplicatedElementFromList2(list): resultList = [] for item in list: if not item in resultList: ...
Example 1: Delete Empty Strings in a List Using List ComprehensionOne way to remove empty strings from a list is using list comprehension. Here’s an example:# Remove empty strings using list comprehension my_list = [element for element in my_list if element != ''] # Print the updated ...
· remove()函数根据元素的值来删除元素。· clear()函数清空列表。#Deleting elements from the listfruits = ['Apple', 'Guava', 'Banana','Orange', 'Kiwi']#del() function del fruits[3] #delete element at index 4 print(fruits)Output:['Apple', 'Guava', 'Banana', 'Kiwi']#pop()fun...