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Reference

Reference

Quick-lookup documentation for Python built-ins, standard-library modules, and core methods.

Built-in Functions

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Python built-in functions available without imports.

abs()aiter()aiter()all()anext()anext()any()ascii()bin()bool()breakpoint()breakpoint()bytearray()bytes()callable()chr()classmethod()compile()complex()delattr()dict()dir()divmod()enumerate()eval()exec()filter()float()format()format()frozenset()getattr()globals()hasattr()hash()help()hex()id()input()int()isinstance()issubclass()iter()len()list()locals()map()max()memoryview()min()next()object()oct()open()ord()pow()print()property()range()repr()reversed()round()set()setattr()slice()sorted()staticmethod()str()sum()super()tuple()type()vars()zip()

Dictionary Methods

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Methods available on Python dict objects.

dict.clear()dict.copy()dict.fromkeys()dict.get()dict.items()dict.keys()dict.pop()dict.popitem()dict.setdefault()dict.update()dict.values()

Dunder Index

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__index__

Dunder Methods

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__abs__ / __neg__ / __pos____add__ / __radd__ / __iadd____aenter__ / __aexit____aiter__ / __anext____await____bool____call____class_getitem____contains____copy__ / __deepcopy____del____delitem____enter__ / __exit____eq__ / __ne____format____get__ / __set__ / __delete____getattr__ / __getattribute____getitem____hash____init____init_subclass____iter____len____lt__ / __le__ / __gt__ / __ge____matmul__ / __rmatmul____missing____mul__ / __rmul__ / __imul____new____next____reduce__ / __reduce_ex____repr____set_name____setattr__ and __delattr____setitem____sizeof____slots____str____sub__ / __rsub__ / __isub____truediv__ / __floordiv__

Keywords

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:= (walrus operator)andas keywordassertasync/awaitawaitbreakclasscontinuedefdelelif / elseelif / elseforfromglobalif statementin operatoris operatorlambdanonlocalnotor operatorpassraisereturntry / except / finallytry / except / finallywhilewithyield

List Methods

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Methods available on Python list objects.

list.append()list.clear()list.copy()list.count()list.extend()list.index()list.insert()list.pop()list.remove()list.reverse()list.sort()

Modules

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Popular standard-library modules and how to use them.

abc moduleargparseastasyncioatexit modulebase64bisectcalendarcollectionsconcurrent.futuresconfigparsercontextlibcopycProfile modulecsvdataclassesdatetimedecimaldifflibdis moduleemail moduleenumfractionsfunctoolsgc moduleglobgziphashlibheapqhtmlhttpinspectio moduleipaddressitertoolsjsonlogginglzma modulemathmimetypes modulemultiprocessingoperatoros moduleos.pathpathlibpdb modulepickleplatformpprintqueuerandomre modulesched moduleselectors moduleshelve moduleshutilsignalsmtplib modulesocketsqlite3statisticsstringstructsubprocesssystarfiletempfiletextwrapthreadingtimetimeittomllib moduletracebacktypes moduletypingunittestunittest.mock moduleurllib.parseuuidwarningsweakrefzipfilezoneinfo

Set Methods

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Methods available on Python set objects.

set.add()set.clear()set.copy()set.difference_update()set.difference()set.discard()set.intersection()set.isdisjoint()set.issubset()set.issuperset()set.pop()set.remove()set.symmetric_difference_update()set.symmetric_difference()set.union()set.update()

String Methods

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Methods available on Python str objects.

str.capitalize()str.casefold()str.center()str.count()str.encode()str.endswith()str.expandtabs()str.find()str.format_map()str.format()str.isalnum()str.isalpha()str.isascii()str.isdecimal()str.isdigit()str.isidentifier()str.islower()str.isnumeric()str.isprintable()str.isspace()str.istitle()str.isupper()str.join()str.ljust()str.lower()str.lstrip()str.maketrans()str.partition()str.removeprefix()str.removesuffix()str.replace()str.rfind()str.rjust()str.rpartition()str.rsplit()str.rstrip()str.split()str.splitlines()str.startswith()str.strip()str.swapcase()str.title()str.translate()str.upper()str.zfill()

Tuple Methods

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Methods available on Python tuple objects.

tuple.count()tuple.index()