Python Tutorial

Python HOME Python Intro Python Get Started Python Syntax Python Comments Python Variables Python Data Types Python Numbers Python Casting Python Strings Python Booleans Python Operators Python Lists Python Tuples Python Sets Python Dictionaries Python If...Else Python While Loops Python For Loops Python Functions Python Lambda Python Arrays Python Classes/Objects Python Inheritance Python Iterators Python Scope Python Modules Python Dates Python Math Python JSON Python RegEx Python PIP Python Try...Except Python User Input Python String Formatting

File Handling

Python File Handling Python Read Files Python Write/Create Files Python Delete Files

Python NumPy

NumPy Intro NumPy Getting Started NumPy Creating Arrays NumPy Array Indexing NumPy Array Slicing NumPy Data Types NumPy Copy vs View NumPy Array Shape NumPy Array Reshape NumPy Array Iterating NumPy Array Join NumPy Array Split NumPy Array Search NumPy Array Sort NumPy Array Filter NumPy Random NumPy ufunc

Machine Learning

Getting Started Mean Median Mode Standard Deviation Percentile Data Distribution Normal Data Distribution Scatter Plot Linear Regression Polynomial Regression Multiple Regression Scale Train/Test Decision Tree

Python MySQL

MySQL Get Started MySQL Create Database MySQL Create Table MySQL Insert MySQL Select MySQL Where MySQL Order By MySQL Delete MySQL Drop Table MySQL Update MySQL Limit MySQL Join

Python MongoDB

MongoDB Get Started MongoDB Create Database MongoDB Create Collection MongoDB Insert MongoDB Find MongoDB Query MongoDB Sort MongoDB Delete MongoDB Drop Collection MongoDB Update MongoDB Limit

Python Reference

Python Overview Python Built-in Functions Python String Methods Python List Methods Python Dictionary Methods Python Tuple Methods Python Set Methods Python File Methods Python Keywords Python Exceptions Python Glossary

Module Reference

Random Module Requests Module Math Module cMath Module

Python How To

Remove List Duplicates Reverse a String Add Two Numbers

Python Examples

Python Examples Python Compiler Python Exercises

Python Keywords


Python has a set of keywords that are reserved words that cannot be used as variable names, function names, or any other identifiers:

Keyword Description
andA logical operator
asTo create an alias
assertFor debugging
breakTo break out of a loop
classTo define a class
continueTo continue to the next iteration of a loop
defTo define a function
delTo delete an object
elifUsed in conditional statements, same as else if
elseUsed in conditional statements
exceptUsed with exceptions, what to do when an exception occurs
FalseBoolean value, result of comparison operations
finallyUsed with exceptions, a block of code that will be executed no matter if there is an exception or not
forTo create a for loop
fromTo import specific parts of a module
globalTo declare a global variable
ifTo make a conditional statement
importTo import a module
inTo check if a value is present in a list, tuple, etc.
isTo test if two variables are equal
lambdaTo create an anonymous function
NoneRepresents a null value
nonlocalTo declare a non-local variable
notA logical operator
orA logical operator
passA null statement, a statement that will do nothing
raiseTo raise an exception
returnTo exit a function and return a value
TrueBoolean value, result of comparison operations
tryTo make a try...except statement
whileTo create a while loop
withUsed to simplify exception handling
yieldTo end a function, returns a generator