lower() Return value lower()method returns the lowercase string from the given string. It converts all uppercase characters to lowercase. If no uppercase characters exist, it returns the original string. Example 1: Convert a string to lowercase # example stringstring ="THIS SHOULD BE LOWERCASE!
Return a copy of the string S converted to lowercase."""return""#字符串转换成小写,用于不区分大小写的字符串比较defcasefold(self):#real signature unknown; restored from __doc__"""S.casefold() -> str Return a version of S suitable for caseless comparisons."""return""##--- 显示---#内...
Return True if the string is a lowercase string, False otherwise. A string is lowercase if all cased characters in the string are lowercase and there is at least one cased character in the string. """ pass def isnumeric(self, *args, **kwargs): # real signature unknown """ Return Tru...
Return a copy of the string converted to lowercase.返回转换为小写的字符串副本。 将字符串中的所有字符转换成小写字母 ''' print('AbCdddEfgjKH'.lower()) 10.lstrip()方法: ''' lstrip() 方法: Return a copy of the string with leading whitespace removed. 返回一个删除前导(左侧)空白字符的副本。
Return a copy of the string S converted to lowercase. """ return "" 用法:返回字符串的副本,其中所有大写字母都转换为小写字母。 def swapcase(self): # real signature unknown; restored from __doc__ """ S.swapcase() -> str Return a copy of S with uppercase characters converted to lowercas...
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 ...
4.1 class string.Template(template) 4.1.1 高级用法 4.1.2 其他 5. 帮助函数 string.capwords(s,sep=None) 源代码:Lib/string.py 也可以看看 str类型及方法 1. 字符串常量 源码定义如下: whitespace = ' \t\n\r\v\f' ascii_lowercase = 'abcdefghijklmnopqrstuvwxyz' ...
lower(...) S.lower() -> str Return a copy of the string S converted to lowercase. 返回值字母大写转换为小写,大转小 实例: a = “START” a.lower() start (4)str.upper() Help on method_descriptor: upper(...) S.upper() -> str Return a copy of S converted to uppercase. ...
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“运行”选项。7 在运行结果窗口中查看运行结果，可以看到已经成功地打印了string模块的ascii_lowercase属性。
An empty string is not alphanumeric. section Methods Python code: `upper_string = empty_string.upper()` An empty string converted to uppercase remains empty. Python code: `lower_string = empty_string.lower()` An empty string converted to lowercase remains empty. ...