你可以使用内置的operator.itemgetter来解决这个问题：
To remove the multiple elements/items from the python list by index, you can use any above-mentioned methods, however, I will use the del keyword to explain. In order to use this you need a list of element indexes you wanted to remove and use it with for loop to remove iteratively. H...
shutil.rmtree(directory, onerror=remove_readonly) 在删除之前检查文件夹是否存在,这样更可靠。 importshutildefremove_folder(path):# check if folder existsifos.path.exists(path):# remove if existsshutil.rmtree(path)else:# throw your exception to handle this special scenarioraiseXXError("your exception...
remove()：移除列表中第一个匹配的指定元素 ，如同从背包中丢弃指定道具。inventory.remove('potion') # ['rope', 'longbow', 'scroll']pop()：移除并返回指定索引处的元素 ，或默认移除并返回最后一个元素 ，仿佛取出并展示最后一页日志。last_item = inventory.pop()# 'scroll'inventory.pop(1)# 'longbo...
remove() 方法用于删除列表中的第一个指定元素。 my_list = ['apple', 'banana', 'cherry'] my_list.remove('banana') # 删除列表中的'banana' # 结果: ['apple', 'cherry'] 4.6 使用 pop() 方法删除元素并返回值 pop() 方法默认移除并返回列表末尾的元素,也可以接受索引参数移除特定位置的元素。 my...
# Python List – Append or Add Item cars = ['Ford','Volvo','BMW','Tesla'] cars.append('Audi') print(cars) 执行和输出: 5. 移除元素 移除Python 列表中的某项可以使用列表对象的 remove() 函数,使用该方法语法如下: mylist.remove(thisitem) ...
copy() # 使用切片操作 another_copy_of_elements = elements[:] 12. 列表的嵌套 列表可以嵌套,即列表中的元素可以是另一个列表: nested_list = [['Earth', 'Air'], ['Fire', 'Water']] 13. 列表的扁平化 要将嵌套列表转换为单个列表,可以使用列表推导式或其他方法: flattened_list = [item for ...
You can also use the del statement to delete individual items from a list. However, that operation won’t work on tuples:Python >>> fruits = ["apple", "orange", "mango", "grape"] >>> del fruits[0] # Remove apple >>> fruits ['orange', 'mango', 'grape'] >>> person = (...
uniqueList = [] for elem in mylist: if elem not in uniqueList: uniqueList.append(elem) print(uniqueList) Output: [4, 5, 6] In the above example, we have created a unique list and then appended the unique items from the list to another list. #9) List Comprehension If you want ...
Add item at the specified position in the list Using extend() Modify the items of a List Modify all items Removing elements from a List Remove specific item Remove all occurrence of a specific item Remove item present at given index Remove the range of items Remove all items Finding an elem...