Reference
>Functions and methods
171 entries with plain-English explanations, signatures and runnable examples.
Browse by group
Built-in Functions
67Functions Python gives you everywhere — no import needed.
Browse entriesList Methods
11Common ways to add, find, remove, and arrange items in a list.
Browse entriesDictionary Methods
11Useful ways to look up, add, remove, and inspect dictionary data.
Browse entriesString Methods
47Practical tools for finding, changing, checking, and splitting Python text.
Browse entriesSet Methods
17Ways to manage unique values and compare groups of values.
Browse entriesTuple Methods
2The two built-in ways to search and count values in an immutable tuple.
Browse entriesFile Methods
16Ways to read, write, move through, and manage open files.
Browse entriesA–Z index
Every entry, grouped by the first character of its name.
A
B
C
callable()Built-in Functionscapitalize()String Methodscasefold()String Methodscenter()String Methodschr()Built-in Functionsclassmethod()Built-in Functionsclear()List Methodsclear()Dictionary Methodsclear()Set Methodsclose()File Methodscompile()Built-in Functionscomplex()Built-in Functionscopy()List Methodscopy()Dictionary Methodscopy()Set Methodscount()List Methodscount()String Methodscount()Tuple MethodsD
E
F
G
H
I
id()Built-in Functionsindex()List Methodsindex()String Methodsindex()Tuple Methodsinput()Built-in Functionsinsert()List Methodsint()Built-in Functionsintersection_update()Set Methodsintersection()Set Methodsisalnum()String Methodsisalpha()String Methodsisascii()String Methodsisatty()File Methodsisdecimal()String Methodsisdigit()String Methodsisdisjoint()Set Methodsisidentifier()String Methodsisinstance()Built-in Functionsislower()String Methodsisnumeric()String Methodsisprintable()String Methodsisspace()String Methodsissubclass()Built-in Functionsissubset()Set Methodsissuperset()Set Methodsistitle()String Methodsisupper()String Methodsitems()Dictionary Methodsiter()Built-in FunctionsJ
K
L
M
N
O
P
R
range()Built-in Functionsread()File Methodsreadable()File Methodsreadline()File Methodsreadlines()File Methodsremove()List Methodsremove()Set Methodsremoveprefix()String Methodsremovesuffix()String Methodsreplace()String Methodsrepr()Built-in Functionsreverse()List Methodsreversed()Built-in Functionsrfind()String Methodsrindex()String Methodsrjust()String Methodsround()Built-in Functionsrpartition()String Methodsrsplit()String Methodsrstrip()String MethodsS
seek()File Methodsseekable()File Methodsset()Built-in Functionssetattr()Built-in Functionssetdefault()Dictionary Methodsslice()Built-in Functionssort()List Methodssorted()Built-in Functionssplit()String Methodssplitlines()String Methodsstartswith()String Methodsstaticmethod()Built-in Functionsstr()Built-in Functionsstrip()String Methodssum()Built-in Functionssuper()Built-in Functionsswapcase()String Methodssymmetric_difference_update()Set Methodssymmetric_difference()Set Methods