[英]Effective way of finding difference between two lists of integers in python
[英]What is the best effective way to get symmetric difference between two strings(in python)?
示例:如果有两个字符串:- s1 = 'cde' s2 = 'abc'
Output:'deab'
我将字符串转换为列表并比较了两个列表。
a = 'cde'
b = 'abc'
list1 = list(a)
list2 = list(b)
diff = []
for item in list1:
if item not in list2:
diff.append(item)
for item in list2:
if item not in list1:
diff.append(item)
diff = ' '.join(map(str, diff)).replace(' ','')
print(diff)
有没有其他方法可以在不将其转换为列表的情况下解决此问题? 我感谢您的帮助。 提前致谢。
您可以将每个字符串转换为一个set
,然后使用symmetric_difference
,最后str.join
回单个字符串
>>> ''.join(set(a).symmetric_difference(b))
'daeb'
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