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python partition

时间: 2023-09-05 22:13:41 浏览: 91

python中partition的使用

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python中partition的使用功能描述 partition() 方法用来根据指定的分隔符将字符串进行分割，返回一个3元的元组，第一个为分隔符左边的子串，第二个为分隔符本身，第三个为分隔符右边的子串。语法 str.partition(str) str 为分隔符实例 str = "[12345678]1314" print （str.partition("[")）输出为 ('', '[', '12345678]1314') 也就是左边没有字符时，默认用为空格。用partition来提取两字符中间的字符串 def get_str_btw(s, f, b): par = s.

Python's partition() method is used to split a string into three parts based on a separator. It returns a tuple containing three elements: the substring before the separator, the separator itself, and the substring after the separator. The syntax for partition() method is: string.partition(separator) Here is an example of using partition() method: ``` sentence = "I love programming in Python" result = sentence.partition("programming") print(result) ``` Output: ``` ('I love ', 'programming', ' in Python') ``` In the above example, the partition() method has split the string "I love programming in Python" into three parts based on the separator "programming". The first part is "I love ", the second part is "programming", and the third part is " in Python".

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