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_string = "Value: {:.2f}"value = 3.1415926output = 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...
print(string.lower()) # string with numbers# all alphabets should be lowercasestring ="Th!s Sh0uLd B3 L0w3rCas3!" print(string.lower()) Run Code Output this should be lowercase! th!s sh0uld b3 l0w3rcas3! Example 2: How lower() is used in a program? # first stringfirstString ="...
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. ...
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 ...
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' ...
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,...
' stRINg lEArn' >>> >>> str.zfill(20) #str右对齐,左边填充0 '00000000stRINg lEArn' 大小写转换 >>> str='stRINg lEArn' >>> >>> str.upper() #转大写 'STRING LEARN' >>> >>> str.lower() #转小写 'string learn' >>> >>> str.capitalize() #字符串首为大写,其余小写 ...
As you'll see, the original string formatting is preserved. ''' print(multiline_string) 改变大小写 你可以很方便的改变字符串的大小写。如下所示: first_name = 'eric' print(first_name) print(first_name.title()) 最常见的大小写形式是全小写(lower),首字母大写(title)和全大写(upper)。如下所示...