Python – List Object Finding duplicates

測試環境為 CentOS 8 (虛擬機)

找出 List 物件中重複的字串,參考文章 – https://www.trainingint.com/how-to-find-duplicates-in-a-python-list.html .

[root@localhost ~]# python3
Python 3.6.8 (default, Sep 10 2021, 09:13:53)
[GCC 8.5.0 20210514 (Red Hat 8.5.0-3)] on linux
Type "help", "copyright", "credits" or "license" for more information.

程式

mylist = [5, 3, 5, 2, 1, 6, 6, 4] 
newlist = [] 
duplist = [] 
for i in mylist:
    if i not in newlist:
        newlist.append(i)
    else:
        duplist.append(i) 

執行結果

>>> duplist
[5, 6]

>>> newlist
[5, 3, 2, 1, 6, 4]