, '__package__', '__spec__', '_re', '_sentinel_dict', '_string', 'ascii_letters', 'ascii_lowercase', 'ascii_uppercase', 'capwords', 'digits', 'hexdigits', 'octdigits', 'printable', 'punctuation', 'whitespace']然后，去掉它的“魔法方法”和模块中的类：pre_lst = [pre for pre...
string.ascii_lowercase 小写字母’abcdefghijklmnopqrstuvwxyz’ string.ascii_uppercase 大写的字母’ABCDEFGHIJKLMNOPQRSTUVWXYZ’ string.ascii_letters ascii_lowercase和ascii_uppercase常量的连接串 string.digits 数字0到9的字符串:’0123456789’ string.hexdigits 字符串’0123456789abcdefABCDEF’ string.letters 字符...
lowercase_letters=string.lowercase uppercase_letters=string.uppercase all_letters=string.ascii_lettersprint(lowercase_letters)# 输出: abcdefghijklmnopqrstuvwxyzprint(uppercase_letters)# 输出: ABCDEFGHIJKLMNOPQRSTUVWXYZprint(all_letters)# 输出: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ 1. 2. 3....
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 ...
string.letters #所有字母(大小写) string.lowercase #所有小写字母 string.uppercase #所有大写字母 string.printable #可打印字符的字符串 string.punctuation #所有标点 >>>importstring>>>string.digits'0123456789'>>>string.letters'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'>>>string.lowercase'abcdefghi...
new_string = my_string.replace("World", "Python") print(new_string) 3.3 字符串的大小写转换 使用lower() 和upper() 方法将字符串转换为小写和大写。 my_string = "Hello, World!" lowercase = my_string.lower() uppercase = my_string.upper() print(lowercase, uppercase) 3.4 字符串的分割...
7) string.lowercase A string containing all the characters that are considered lowercase letters. On most systems this is the string 'abcdefghijklmnopqrstuvwx yz'. Do not change its definition — the effect on the routines upper() and swapcase() is undefined. The specific value is locale-depend...
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 True if the string is a numeric string, False otherwise. ...
string.lowercase小写字母的字符串’abcdefghijklmnopqrstuvwxyz’ string.octdigits字符串’01234567’ string.punctuation所有标点字符 string.printable可打印的字符的字符串。包含数字、字母、标点符号和空格 string.uppercase大学字母的字符串’ABCDEFGHIJKLMNOPQRSTUVWXYZ’ ...
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。