ascii_letters

string.ascii_letters(object)

Returns the concatenation of all the alphabetical letters in lowercase and uppercase. (string).

REMARKS

* string module
* The concatenation of the ascii_lowercase and ascii_uppercase constants described below.
* This value is not locale-dependent and will not change.
* You can use the string.ascii_lowercase constant to
* You can use the string.ascii_uppercase constant to

import string 

print(string.ascii_letters)    'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ