format_string = "Hello, my name is {name} and I am {age} years old."greeting = format_string.format(name=name, age=age)print(greeting)# Output: Hello, my name is Bob and I am 30 years old.# 使用冒号指定格式化选项format_
"lowercase_string = string.lower()print(lowercase_string) # 输出：hello, world!uppercase_string = string.upper()print(uppercase_string) # 输出：HELLO, WORLD!capitalized_string = string.capitalize()print(capitalized_string) # 输出：Hello, world!# 字符串的填充和对齐left_aligned_string = str...
string.upper(), string.lower() and string.title() Methods are inbuilt methods inPython, these are used to format string in a particular format like uppercases, lowercase or little case format. string.upper(),string.lower()和string.title()方法是Python中的内置方法,用于将字符串格式化为特殊格式...
Thelower()method converts all uppercase characters in astringinto lowercase characters and returns it. Example message ='PYTHON IS FUN' # convert message to lowercaseprint(message.lower()) # Output: python is fun Syntax of String lower() The syntax oflower()method is: string.lower() lower(...
ValueError异常S.rindex(substring,[start[,end]])#同上反向查找S.count(substring,[start[,end]])#返回找到子串的个数S.lowercase()S.capitalize()#首字母大写S.lower()#转小写S.upper()#转大写S.swapcase()#大小写互换S.split(str,' ')#将string转list,以空格切分S.join(list,' ')#将list转string,...
all_letters=string.ascii_lettersprint(lowercase_letters)# 输出: abcdefghijklmnopqrstuvwxyzprint(uppercase_letters)# 输出: ABCDEFGHIJKLMNOPQRSTUVWXYZprint(all_letters)# 输出: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ 1. 2. 3. 4. 5. ...
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' ...
string.lower官方说明: Return a copy of the string with all the cased characters[4]converted to lowercase. The lowercasing algorithm used is described in section 3.13 of the Unicode Standard 参考 https://docs.python.org/3/library/stdtypes.html#str.casefold ...
importstringstring.ascii_letters#输出所有的大小写字母string.digits#输出所有(0-9)的数字string.ascii_letters#输出大小写的英文字母string.ascii_lowercase#输出小写英文字母string.ascii_uppercase#输出小写英文字母 10)格式化字符串 #format(修饰符及说明符同c语言)"{na...
模块string,虽然风头已小,但其包含了一些字符串方法中没有的常量和函数,故将模块string中几个非常有用的常量列出: 1string.digits: 包含数字0-9的字符串;2string.ascii_letters: 包含所有ASCII字母(大写和小写)的字符串;3string.ascii_lowercase: 包含所有小写ASCII字母的字符串;4string.printable: 包含所有可打印...