The .upper() and .lower() string methods are self-explanatory. Performing the .upper() method on a string converts all of the characters to uppercase, whereas the lower() method converts all of the characters to
1) string.upper() 1)string.upper() Method returns uppercase string (where all characters of the string are in uppercase). 方法返回大写字符串(其中字符串的所有字符均为大写)。 Example: "HELLO WORLD" 示例: “ HELLO WORLD” 2) string.lower() 2)string.lower() Method returns lowercase string ...
那么这两个函数有什么区别呢? 首先想到的是,查看帮助,使用help方法: >>>help(str.lower) Help on method_descriptor: lower(...) S.lower()->str Return a copy of the string S converted to lowercase.>>>help(str.casefold) Help on method_descriptor: casefold(...) S.casefold()->str Return a...
2 在Python项目中，新建并打开一个空白的python文件（比如：test.py）。3 在python文件编辑区中，输入：“import string”，导入 string 模块。4 输入：“x = string.ascii_lowercase”，点击Enter键。5 然后输入：“print(x)”，打印出 string.ascii_lowercase 属性。6 在编辑区域点击鼠标右键，在弹出菜单中选择...
参考链接: Python中的string.octdigits common string oprations import string 1. string constants(常量) 1) string. ascii_letters The concatenation of the ascii_lowercase and ascii_uppercase constants described below. This value is not locale-dependent. ...
String Method : str.capitalize() Return a copy of the string with its first character capitalized and the rest lowercased. 对于一个字符串, 第一个字符为大写, 其余为小写。 str.center(width[, fillchar]) Return centered in a string of length width. ...
$string = “Hello!”; upper($string); In Python, you do this: string = “Hello!” string.upper() As you can see, the method is directly attached to the string, rather than being a disassociated block of code. Methods are essentially functions and are often referenced interchangeably, but...
a string so that casing doesn't prevent a match. For example, if you're counting the number of times the wordtheappears, the method wouldn't count the times whereTheappears, even though they're both the same word. You can use the.lower()method to change all characters to lowercase. ...
八、string模块常用字符串常量 # 使用常量需要import >>> import string as str # 生成所有小写字母 >>> str.ascii_lowercase 'abcdefghijklmnopqrstuvwxyz' # 生成所有大写字母 >>> str.ascii_uppercase 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' # 小写字母和大写字母 >>> str.ascii_letters 'abcdefghijklmnopqrstuvwxyzABC...
string.ascii_letters 是上述ascii_lowercase和ascii_uppercase常量的拼接。 >>> string.ascii_letters 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' 1. 2. string.digits 返回所有的十进制数字。 >>> string.digits '0123456789' 1. 2. string.hexdigits ...