Return a list of the words in the string, using sep as the delimiter string. If maxsplit is given, at most maxsplit splits are done, the rightmost ones. If sep is not specified or None, any whitespace string is
String str = "aaa|bbb|ccc"; String[] array = str.split("|"); System.out.println(Arrays.toString(array)); } public void splitTest() { String str = "aaa|bbb|ccc"; String[] array = str.split("|"); System.out.println(Arrays.toString(array)); } 1. 2. 3. 4. 5. 6. 7. 8...
f.readline() 读取文件一行的内容 f.readlines() 读取所有的行到数组里面[line1,line2,...lineN]。在避免将所有文件内容加载到内存中,这种方法常常使用,便于提高效率。 三、写入文件 f.write(string) 将一个字符串写入文件,如果写入结束,必须在字符串后面加上"\n",然后f.close()关闭文件 四、文件中的内容定...
This program was designedforPython3,not Python2.""" defspam():"""This is a multiline comment to help explain what thespam()functiondoes."""print('Hello!') 索引和切片字符串 字符串和列表一样使用索引和切片。您可以将字符串'Hello, world!'视为一个列表,并将字符串中的每个字符视为一个具有相...
一、交互式环境与print输出 1、print:打印/输出 2、coding:编码 3、syntax:语法 4、error:错误 5、invalid:无效 6、identifier:名称/标识符 7、character :字符 二、字符串的操作 1、user:用户 2、name:…
Assigning a string to a variable is done with the variable name followed by an equal sign and the string: Example a ="Hello" print(a) Try it Yourself » Multiline Strings You can assign a multiline string to a variable by using three quotes: ...
>>> next(it) 替换功能 re.sub(<regex>, <repl>, <string>, count=0, flags=0) 用字符串替代 >>> s = 'foo.123.bar.789.baz' >>> re.sub(r'\d+', '#', s) 'foo.#.bar.#.baz' >>> re.sub('[a-z]+', '(*)', s) ...
Example 1: Python String splitlines() # '\n' is a line breakgrocery ='Milk\nChicken\nBread\rButter' # returns a list after splitting the grocery stringprint(grocery.splitlines()) Run Code Output ['Milk', 'Chicken', 'Bread', 'Butter'] ...
String Methods List/Array Methods Dictionary Methods Tuple Methods Set Methods File Methods Python Keywords Python Exceptions Python Glossary Random Module Requests Module Math Module CMath Module Download Python Download Python from the official Python web site:https://python.org ...
str.index(sub[, start[, end]]) --> int检测字符串string中是否包含子字符串sub,如果存在,则返回sub在string中的索引值(下标),如果指定began(开始)和end(结束)范围,则检查是否包含在指定范围内,该方法与python find()方法一样,只不过如果str不在string中会报一个异常(ValueError: substring not found)。