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我是 Python 的新手,也是 Stackoverflow 的新手,谁能告诉我比较 2 个以上列表的有效(pythonic)方法?我想列出所有 3 个列表的所有元素并以这样的方式显示,即用户将能够知道所有 3 个列表中存在哪个元素或列表 1 中存在但列表 2 中不存在的元素或哪些元素是重复的。我已经使用嵌套循环进行了比较。
List1 = [10,10,11,12,15,16,18,19]
List2 = [10,11,13,15,16,19,20]
List3 = [10,11,11,12,15,19,21,23]
# Checking whether List 1 value present in List2 and List 3
for l1 in List1:
if l1 in List2:
List2.remove(l1)
if l1 in List3:
List3.remove(l1)
print(l1," ",l1," ",l1)
else:
print(l1," ",l1," ","NA")
else:
if l1 in List3:
List3.remove(l1)
print(l1," ","NA"," ",l1)
else:
print(l1," ","NA"," ","NA")
# Checking whether List 2 value present in List3
for l2 in List2:
if l2 in List3:
List3.remove(l2)
print("NA"," ",l2," ",l2)
else:
print("NA"," ",l2," ","NA")
# Checking for values present only in List 3
for l3 in List3:
print("NA","NA",l3)
--- Output---
List1 List2 List3
10 10 10
10 NA NA
11 11 11
12 NA 12
15 15 15
16 16 NA
18 NA NA
19 19 19
NA 13 NA
NA 20 NA
NA NA 11
NA NA 21
NA NA 23
NA 20 NA
NA NA 11
NA NA 21
NA NA 23
有没有更好的方法来比较列表?
