The result is returned as a new string. Example: '.'.join(['ab', 'pq', 'rs']) -> 'ab.pq.rs'"""pass 该函数可以连接任意数量的字符串,将字符串插入到被调用的两两字符串间,返回一个新的字符串。 其语法为string_name.join(iterable)。 参数说明: string_name:分隔符,可以为空 iterable:要...
17、连接字符串 delimiter = ',' mylist = ['Brazil', 'Russia', 'India', 'China'] print delimiter.join(mylist) 18、PHP 中 addslashes 的实现 def addslashes(s): d = {'"':'\\"', "'":"\\'", "\0":"\\\0", "\\":"\\\"} return ''.join(d.get(c, c) for c in s) s...
split(delimiter):将字符串按指定的分隔符切分成多个子串,并返回一个列表。 代码语言:python 代码运行次数:0 复制Cloud Studio 代码运行 str6 = "Hello, World!" splitted_list = str6.split(",") print(splitted_list) # 输出:['Hello', ' World!'] join(iterable):将可迭代对象中的字符串元素拼接成一...
string.whitespace 包含所有ASCII中可当作空白的字符集合而成的字符串。这包括字符间的空格、 tab、 换行符(\n)、 return(\r)、 换页符(\f)和垂直制表符(\v -> vertical tab)。 2. 自定义字符串格式 内置string类提供了通过format()方法 执行复杂变量替换和值格式化的功能,参见PEP 3101。string模块中的Format...
Template还有更加高级的用法,可以通过继承string.Template, 重写变量delimiter(定界符)和idpattern(替换格式), 定制不同形式的模板。 Python import string template_text = ''' Delimiter : $de Replaced : %with_underscore Ingored : %notunderscored ''' ...
delimiter string. If maxsplit is given, at most maxsplit splits are done. If sep is not specified or is None, any whitespace string is a separator and empty strings are removed from the result. """ return [] def startswith(self, prefix, start=None, end=None): ...
delimiter=','mylist=['Brazil','Russia','India','China']delimiter.join(mylist) 注意:字符串对象是不可改变的,也就是说在python创建一个字符串后,你不能把这个字符中的某一部分改变。任何上面的函数改变了字符串后,都会返回一个新的字符串,原字串并没有变。
| delimiter string, starting at the end of the string and working | to the front. If maxsplit is given, at most maxsplit splits are | done. If sep is not specified or is None , any whitespace string | is a separator. | | rstrip(...) ...
split([sep [,maxsplit]]) -> list of strings Return a list of the words in the string S, using sep as the delimiter string. If maxsplit is given, at most maxsplit splits are done. If sep is not specified or is None, any whitespace string is a separator and empty strings are ...
Method 1: "COPY FROM STDIN" sql with Cursor.copy() cur = connection.cursor() cur.copy("COPY test_copy (id, name) FROM stdin DELIMITER ',' ", csv) Where csv is either a string or a file-like object (specifically, any object with a read() method). If using a file, the data ...