, '__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.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,例如大写,小写或小写。 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...
string = "this is a string." uppercasestring = string.upper() print(uppercasestring)输出：T...
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 = string.ljust(20, "*")print(left_aligned_string) # 输出：Hello, World!***right...
print(string.upper()) # string with numbers# all alphabets should be lowercasestring ="Th!s Sh0uLd B3 uPp3rCas3!" print(string.upper()) Run Code Output THIS SHOULD BE UPPERCASE! TH!S SH0ULD B3 UPP3RCAS3! Example 2: How upper() is used in a program?
'stRINg lEArn ' >>> >>> str.rjust(20) #str右对齐 ' 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' >>> ...
x='Hello World'result=x.upper()print('Original String : ',x)print('Uppercase String : ',result) Output Original String : Hello World Uppercase String : HELLO WORLD If there are no uppercase letters in this string, the returned string is same as the given string. ...
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. ...
upper() 将字符串转换为大写字母 string = "Hello World"print(string.upper())输出: "HELLO WORLD" capitalize() 将字符串的首字母转换为大写,其他字母转换为小写 string = "hello world"print(string.capitalize())输出: "Hello world" title() 将每个单词的首字母转换为大写,其他字母转换为小写 string = ...
string.lowercase:所有小写字母的字符串常量 string.uppercase:所有大写字母的字符串常量 string.ascii_letters:所有字母的字符串常量 下面的代码示例演示了如何使用这些函数。 lowercase_letters=string.lowercase uppercase_letters=string.uppercase all_letters=string.ascii_lettersprint(lowercase_letters)# 输出: abcdefg...