, '__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...
"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...
whitespace -- a string containing all characters considered whitespace lowercase -- a string containing all characters considered lowercase letters uppercase -- a string containing all characters considered uppercase letters letters -- a string containing all characters considered letters digits -- a stri...
uppercase_letters=string.uppercase all_letters=string.ascii_lettersprint(lowercase_letters)# 输出: abcdefghijklmnopqrstuvwxyzprint(uppercase_letters)# 输出: ABCDEFGHIJKLMNOPQRSTUVWXYZprint(all_letters)# 输出: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ ...
string.punctuation:包含所有ASCII标点字符的字符串。 string.ascii_uppercase:包含所有大写ASCII字母的字符串。虽然说的是ASCII字符,但值实际上是未解码的Unicode字符串。 string.capwords(s[, sep]) 使用split根据sep拆分s,将每项的首字母大写,再以SPLIT为分隔符将它们合并起来,如: ...
string_template = 'The result of the calculation of {calc} is {res}' print("String Template: ", string_template) print(string_template.format(calc='(3*4)+2', res=(3*4)+2)) 空白符 空白符通常指计算机能够发现但不可见的字符。诸如空格,制表符,换行符等。 空格很容易创建,基本上在你拥有计...
string.ascii_uppercase string.digits string.hexdigits string.octdigits string.punctuation string.printable string.whitespace 2. 自定义字符串格式 2.1 class string.Formatter 3. 格式字符串语法 field_name conversion format_spec 3.1 格式规范Mini-Language ...
uppercase_string = combined_string.upper() # 结果为 'HELLO, WORLD!' lowercase_string = combined_string.lower() # 结果为 'hello, world!' (8)字符串替换 使用replace()方法可以替换字符串中的子串。 replaced_string = combined_string.replace('World', 'Python') # 结果为 'Hello, Python!' ...
Numbers formatting with format() You can format numbers using the format specifier given below: Number Formatting Types TypeMeaning d Decimal integer c Corresponding Unicode character b Binary format o Octal format x Hexadecimal format (lower case) X Hexadecimal format (upper case) n Same as 'd'...