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python去掉字符串中重复字符的方法

  发布时间:2022-11-23 09:17:35 

标签:python,字符串


If order does not matter, you can use

"".join(set(foo))
set() will create a set of unique letters in the string, and "".join() will join the letters back to a string in arbitrary order.

If order does matter, you can use collections.OrderedDict in Python 2.7:

from collections import OrderedDict
foo = "mppmt"
print "".join(OrderedDict.fromkeys(foo))
printing

mpt

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