Python in a Nutshell

The string Module

The string module supplies functions that duplicate each method of string objects, as covered in the previous section. Each function takes the string object as its first argument. Module string also has several useful string-valued attributes:

ascii_letters

The string ascii_lowercase+ascii_uppercase

ascii_lowercase

The string 'abcdefghijklmnopqrstuvwxyz'

ascii_uppercase

The string 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'

digits

The string '0123456789'

hexdigits

The string '0123456789abcdefABCDEF'

letters

The string lowercase+uppercase

lowercase

A string containing all characters that are deemed lowercase letters: at least 'abcdefghijklmnopqrstuvwxyz', but more letters (e.g., accented ones) may be present, depending on the active locale

octdigits

The string '01234567'

punctuation

The string '!"#$%&\'()*+,-./:;<=>?@[\\]^_'{|}~' (i.e., all ASCII characters that are deemed punctuation characters in the "C" locale; does not depend on what locale is active)

printable

The string of those characters that are deemed printable (i.e., digits, letters, punctuation, and whitespace)

uppercase

A string containing all characters that are deemed uppercase letters: at least 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', but more letters (e.g., accented ones) may be present, depending on the active locale

whitespace

A string containing all characters that are deemed whitespace: at least space, tab, linefeed, and carriage return, but more characters (e.g., control characters) may be ...