Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] lambda, avoiding in writing callback functions LBYL (Look Before You Leap), object attribute checking ldap extension ldap module LDAP servers, accessing lexing line-termination characters 2nd linecache module Linux measuring memory usage on user interface toolkits list comprehensions accessing substrings and building dictionary building quicksort algorithm and removing/reordering columns in lists of rows translating from Haskell to Python list function list objects listboxes, Tkinter adding drag-and-drop reordering to supporting multiple values per row lists building 2nd 3rd items in appending processing in random order of rows, removing/reordering columns picking items at random from returning elements of ljust method (string objects) locale module localization processing non-ASCII characters western European alphabets locals function lock function locks log Apache files, analyzing information, storing logging module logging, centralized Look Before You Leap (LBYL), object attribute checking LookBeforeYouLeap class loops, disabling while debugging lower method 2nd __lshift__ lstrip method Luhn algorithm |