# using set()to remove duplicated from listtest_list = list(set(test_list)) # printing list after removal# distorted orderingprint ("The list after removing duplicates : "+ str(test_list)) 输出结果: 原始列表是:[1, 5, 3, 6, 3,...
# using set()# to remove duplicated # from list test_list = list(set(test_list)) # printing list after removal # distorted orderingprint ("The list after removing duplicates : " + str(test_list)) → 输出结果: The original list is :...
remove() 方法用于移除集合中的指定元素。该方法不同于 discard() 方法,因为 remove() 方法在移除一个不存在的元素时会发生错误,而 discard() 方法不会。语法remove() 方法语法:set.remove(item)参数item -- 要移除的元素 返回值没有返回值。实例移除元素 banana:...
Write a Python program to remove duplicates from a list. Visual Presentation: Sample Solution: Python Code: # Define a list 'a' with some duplicate and unique elementsa=[10,20,30,20,10,50,60,40,80,50,40]# Create an empty set to store duplicate items and an empty list for unique it...
Identify Items to Remove Loop through set Append to remove list Remove Items Loop through remove list Remove from original set Print final set Traversing and Modifying a Set 学会这个技巧后,你将在处理集合时更加得心应手!如果你还有其他问题或者需要深入了解更多 Python 内容,请随时提问。
首先,我们需要在set中进行循环遍历。 然后,我们根据一定的条件对set中的元素进行删除操作。 3. 代码示例 # 创建一个示例集合my_set={1,2,3,4,5}# 创建一个需要删除的元素列表to_remove=[]# 循环遍历集合forelementinmy_set:# 判断是否满足删除条件ifelement%2==0:# 将满足条件的元素添加到需要删除的列表...
cursor.execute('select name from app01_user;')print(cursor.fetchall()) ps:这两个方式 只能查询 神奇得双下划线查询 ''' 只要还是queryset对象就可以无限制的点queryset对象的方法 queryset.filter().values().filter().values_list().filter()... ''...
>>>unique_items=set(original_items) If you need to de-duplicate while maintaining the order of your items, usedict.fromkeysinstead: >>>unique_items=list(dict.fromkeys(original_items)) That will de-duplicate your items while keeping them in the order that each item was first seen. ...
1. Quick Examples of Remove from List by Index If you are in a hurry, below are some quick examples of how to remove items from the list by index. # Quick examples to remove item from list by index # Example 1: Using remove() by Index ...
Python Set remove() 方法 Python 集合 描述 remove() 方法用于移除集合中的指定元素。 该方法不同于 discard() 方法,因为 remove() 方法在移除一个不存在的元素时会发生错误,而 discard() 方法不会。 语法 remove() 方法语法: set.remove(item) 参数 item -- 要