__main__ binascii idna_ssl sched _ast binhex imaplib scrolledlist _asyncio bisect imghdr search _bisect browser imp...Enter any module name togetmore help.Or,type"modules spam"to searchformodules whose name or summary contain the string"spam".>>>help('print')Help on built-infunctionprint...
>>> type(string.ascii_letters) <class 'str'> 学习笔记: 学习了一遍str、string,发现string几乎很难用到,字符串类型的大部分功能都在str类型中,除了Template类的使用,当然,这个也可以使用str本身的格式化功能实现,当然,Template会更便捷——语法相对来说较为简单。 关于Formatter类,string模块官文说它和str.format...
10.whitespace -- a string containing all characters considered whitespace 11.lowercase -- a string containing all characters considered lowercase letters 12.uppercase -- a string containing all characters considered uppercase letters 13.letters -- a string containing all characters considered letters 14...
11、range():详见(10)循环 - 4、 12、string.lower():转换字符串中所有大写字符为小写 13、string.upper():转换字符串中所有小写字符为大写 14、string.strip():删去字符串开头和结尾的空格 15、string.capitalize():把字符串第一个字符大写 16、string.ti...
参考链接: Python字符串string的encode python的数据转换很灵活,所以用日志记录下他们的用法。 概览 数字 字符串 字节码 函数 功能 记忆口诀 备注 chr 数字转成对应的ascii字符 chr长得很像char,因此转成char 范围为0~255 ord 单个字符转对应ascii序号
.AF_INET,socket.SOCK_STREAM)s.bind((socket.gethostname(),1234))#port number can be anythingbetween0-65535(we usually specify non-previleged ports which are>1023)s.listen(5)whileTrue:clt,adr=s.accept()print(f"Connection to {adr}established")#f stringisliteral string prefixed with f ...
In this code, an f-string is a literal string, prefixed with ‘f’, which contains expressions inside curly braces. The expressions are evaluated at runtime and their values are inserted into the string. Embedded expressions One of the advantages of f-strings is the ability to embed arbitrar...
对于点分表达式如 string.a,它将求出表达式最后一个 '.' 之前的值,然后根据结果的属性给出补全的建议。注意,如果一个具有 __getattr__() 方法的对象是表达式的某部分,这可能执行应用程序定义的代码。默认的配置同时会把历史记录保存在你的用户目录下一个名为 .python_history 的文件中。在下次与交互式解释器的...
1.>>> a = "some_string" >>> id(a) 140420665652016 >>> id("some" + "_" + "string") # Notice that both the ids are same. 1404206656520162.>>> a = "wtf" >>> b = "wtf" >>> a is b True >>> a = "wtf!" >>> b = "wtf!" >>> a is b False3....
with a to z (or A to Z) having values 10 to 35. The default base is 10. The allowed values are 0 and 2–36. Base-2, -8, and -16 literals can be optionally prefixed with 0b/0B, 0o/0O, or 0x/0X, as with integer literals in code. Base 0 means to interpret exactly as...