The concatenation of the ascii_lowercase and
ascii_uppercase constants described below. This value is
not locale-dependent.
ascii_lowercase
The lowercase letters 'abcdefghijklmnopqrstuvwxyz'. This
value is not locale-dependent and will not change.
ascii_uppercase
The uppercase letters 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'. This
value is not locale-dependent and will not change.
digits
The string '0123456789'.
hexdigits
The string '0123456789abcdefABCDEF'.
letters
The concatenation of the strings lowercase and
uppercase described below. The specific value is
locale-dependent, and will be updated when
locale.setlocale() is called.
lowercase
A string containing all the characters that are considered lowercase
letters. On most systems this is the string
'abcdefghijklmnopqrstuvwxyz'. Do not change its definition --
the effect on the routines upper() and
swapcase() is undefined. The specific value is
locale-dependent, and will be updated when
locale.setlocale() is called.
octdigits
The string '01234567'.
punctuation
String of ASCII characters which are considered punctuation
characters in the "C" locale.
printable
String of characters which are considered printable. This is a
combination of digits, letters,
punctuation, and whitespace.
uppercase
A string containing all the characters that are considered uppercase
letters. On most systems this is the string
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'. Do not change its definition --
the effect on the routines lower() and
swapcase() is undefined. The specific value is
locale-dependent, and will be updated when
locale.setlocale() is called.
whitespace
A string containing all characters that are considered whitespace.
On most systems this includes the characters space, tab, linefeed,
return, formfeed, and vertical tab. Do not change its definition --
the effect on the routines strip() and split()
is undefined.
