ascii_letters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' ascii_lowercase = 'abcdefghijklmnopqrstuvwxyz' ascii_uppercase = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' digits = '0123456789' hexdigits = '0123456789abcdefABCDEF' octdigits = '01234567' punctuation = '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' printable = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~ \t\n\r\x0b\x0c' whitespace = ' \t\n\r\x0b\x0c'