index locale module setlocale() localization locals((built-in) localtime((time module) lock type (threading module) log((math module) log ((math module) log ((math module) logging module logicshort-circuit logical operatorssee andorand not lookuperror (exception) loopingsee for loop and while loop lower(bytearray type bytes type str type __lshift__((<<) lstrip(bytearray type bytes type str type __lt__((<) (extension) magic number magic-numbers py (example) - mailbox module make_html_skeleton py (example) - makedirs((os module) maketrans((str type) - mandatory parameters map((built-in) mapping mapping abc (collections module) mapping typessee dict and collections defaultdict mapping unpacking (**) match(re module regex object match object end() endpos attribute expand() group() groupdict() groups() lastgroup attribute lastindex attribute methodstable of pos attribute re attribute span() start() string attribute see also re module and regex object math module acos() acosh() asin() asinh() atan() atan () atanh() ceil() copysign() cos() cosh() degrees() (constant) exp() fabs() factorial() floor()