Movatterモバイル変換


[0]ホーム

URL:


Menu
×
See More 
Sign In
+1 Get Certified Upgrade For Teachers Spaces Get Certified Upgrade For Teachers Spaces
   ❮     
     ❯   

Python Tutorial

Python HOMEPython IntroPython Get StartedPython SyntaxPython OutputPython CommentsPython VariablesPython Data TypesPython NumbersPython CastingPython StringsPython BooleansPython OperatorsPython ListsPython TuplesPython SetsPython DictionariesPython If...ElsePython MatchPython While LoopsPython For LoopsPython FunctionsPython RangePython ArraysPython IteratorsPython ModulesPython DatesPython MathPython JSONPython RegExPython PIPPython Try...ExceptPython String FormattingPython NonePython User InputPython VirtualEnv

Python Classes

Python OOPPython Classes/ObjectsPython __init__ MethodPython self ParameterPython Class PropertiesPython Class MethodsPython InheritancePython PolymorphismPython EncapsulationPython Inner Classes

File Handling

Python File HandlingPython Read FilesPython Write/Create FilesPython Delete Files

Python Modules

NumPy TutorialPandas TutorialSciPy TutorialDjango Tutorial

Python Matplotlib

Matplotlib IntroMatplotlib Get StartedMatplotlib PyplotMatplotlib PlottingMatplotlib MarkersMatplotlib LineMatplotlib LabelsMatplotlib GridMatplotlib SubplotMatplotlib ScatterMatplotlib BarsMatplotlib HistogramsMatplotlib Pie Charts

Machine Learning

Getting StartedMean Median ModeStandard DeviationPercentileData DistributionNormal Data DistributionScatter PlotLinear RegressionPolynomial RegressionMultiple RegressionScaleTrain/TestDecision TreeConfusion MatrixHierarchical ClusteringLogistic RegressionGrid SearchCategorical DataK-meansBootstrap AggregationCross ValidationAUC - ROC CurveK-nearest neighbors

Python DSA

Python DSALists and ArraysStacksQueuesLinked ListsHash TablesTreesBinary TreesBinary Search TreesAVL TreesGraphsLinear SearchBinary SearchBubble SortSelection SortInsertion SortQuick SortCounting SortRadix SortMerge Sort

Python MySQL

MySQL Get StartedMySQL Create DatabaseMySQL Create TableMySQL InsertMySQL SelectMySQL WhereMySQL Order ByMySQL DeleteMySQL Drop TableMySQL UpdateMySQL LimitMySQL Join

Python MongoDB

MongoDB Get StartedMongoDB Create DBMongoDB CollectionMongoDB InsertMongoDB FindMongoDB QueryMongoDB SortMongoDB DeleteMongoDB Drop CollectionMongoDB UpdateMongoDB Limit

Python Reference

Python OverviewPython Built-in FunctionsPython String MethodsPython List MethodsPython Dictionary MethodsPython Tuple MethodsPython Set MethodsPython File MethodsPython KeywordsPython ExceptionsPython Glossary

Module Reference

Built-in ModulesRandom ModuleRequests ModuleStatistics ModuleMath ModulecMath Module

Python How To

Remove List DuplicatesReverse a StringAdd Two Numbers

Python Examples

Python ExamplesPython CompilerPython ExercisesPython QuizPython ServerPython SyllabusPython Study PlanPython Interview Q&APython BootcampPython CertificatePython Training

PythonOperators


Python Operators

Operators are used to perform operations on variables and values.

In the example below, we use the+ operator to add together two values:

Example

print(10 + 5)
Try it Yourself »

Although the+ operator is often used to add together two values, like in the example above, it can also be used to add together a variable and a value, or two variables:

Example

sum1 = 100 + 50      # 150 (100 + 50)
sum2 = sum1 + 250    # 400 (150 + 250)
sum3 = sum2 + sum2   # 800 (400 + 400)
Try it Yourself »

Python divides the operators in the following groups:




×

Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
sales@w3schools.com

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
help@w3schools.com

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness
of all content. While using W3Schools, you agree to have read and accepted ourterms of use,cookie and privacy policy.

Copyright 1999-2025 by Refsnes Data. All Rights Reserved.W3Schools is Powered by W3.CSS.


[8]ページ先頭

©2009-2025 Movatter.jp