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Python Tutorials for AP Computer Science Principles, Data Projects and High School Internship   updated at May 10, 2024   6,792   Python is not just a programming language; it’s a gateway to opportunities in technology.Recognized for its versatility and ease of use,Python has become a staple in data analytics and machine learning,fields that are critical to the tech industry.Many te...

Python Tuples   updated at May 09, 2024   6,671   Tuples are used to store multiple items in a single variable.Tuple is one of 4 built-in data types in Python used to store collections of data,the other 3 are List,Set,and Dictionary,all with different qualities and usage.A tuple is a collection which is o...

Challenge: One Code Problem Per Day   created at Oct 03, 2025   111   There's a CS program course where we have to solve one coding problem every day.This course is really exciting.When solving the problems,bugs can appear,and although it's rare,the problems themselves might be flawed,so we communicate our opinions openly an...

Mastering Excel Data Manipulation with Python   updated at Apr 26, 2024   6,670   Python provides an awesme feature can access Excel spreadsheet file that based on pandas.You can use the pandas library in Python to read an Excel file and store its data into a Python array. Here's a basic example:Replace 'your_excel_file.xlsx' with the p...

Machine Learning Types and Programming Languages   updated at Nov 29, 2023   6,689   In the area of Machine Learning Technology, threre are three different types of Machine Learning. You should make decision which type you want to use if you are trying to implement something. In Supervised Learning, we are given the data sets and already k...

Code Chronicles - A Caffeine-Fueled Journey into Data Software Engineering   updated at Sep 23, 2024   6,814   Interning in Data Software Engineering was like entering a realm where coding meets caffeine-fueled euphoria.The excitement bubbled within me like an over-caffeinated potion as I delved into the world of zeros and ones.“Excitement is like caffeine for the...

Python Modules   updated at May 09, 2024   6,664   What is a Module?.Consider a module to be the same as a code library.A file containing a set of functions you want to include in your application.Create a Module.To create a module just save the code you want in a file with the file extension .py:Use a Mod...

Python Scope   updated at May 09, 2024   6,670   A variable is only available from inside the region it is created.This is called scope.Local Scope.A variable created inside a function belongs to the local scope of that function,and can only be used inside that function.Function Inside Function.As explai...

Python Polymorphism   updated at May 09, 2024   6,670   The word "polymorphism" means "many forms",and in programming it refers to methods / functions / operators with the same name that can be executed on many objects or classes.Function Polymorphism.An example of a Python function that can be used on differen...

Python Iterators   updated at May 09, 2024   6,664   An iterator is an object that contains a countable number of values.An iterator is an object that can be iterated upon,meaning that you can traverse through all the values.Technically,in Python,an iterator is an object which implements the iterator protoco...

Python Inheritance   updated at May 09, 2024   6,668   Inheritance allows us to define a class that inherits all the methods and properties from another class.Parent class is the class being inherited from,also called base class.Child class is the class that inherits from another class,also called derived clas...

Python Classes/Objects   updated at May 09, 2024   6,745   Python is object-oriented.In Python,most things are objects with properties and methods.Class is an object constructor or "blueprint" for creating objects.Create a Class.To create a class,use the keyword class: .Create Object.Now we can use the class named...

Python Arrays   updated at May 09, 2024   6,668   Arrays are used to store multiple values in one single variable: Access the Elements of an Array.You refer to an array element by referring to the index number. .The Length of an Array.Use the len() method to return the length of an array (the number of el...

Python Lambda   updated at May 09, 2024   6,666   A lambda function is a small anonymous function.A lambda function can take any number of arguments,but can only have one expression.Syntax.The expression is executed and the result is returned:Lambda functions can take any number of arguments:Summarize arg...

Python Functions   updated at May 09, 2024   6,674   A function is a block of code which only runs when it is called.You can pass data,known as parameters,into a function.A function can return data as a result.Creating a Function.In Python a function is defined using the def keyword: .Calling a Function.To c...

Python While Loops/For Loops   updated at May 09, 2024   6,758   The while Loop.With the while loop we can execute a set of statements as long as a condition is true.The while loop requires relevant variables to be ready,in this example we need to define an indexing variable,i,which we set to 1. .The break Statement.Wit...

Python Conditions and If statements   updated at May 09, 2024   6,673   Python supports the usual logical conditions from mathematics::Equals: a == b,Not Equals: a != b,Less than: a < b,Less than or equal to: a b,Greater than or equal to: a >= b.These conditions can be used in several ways,most commonly in "if statements" and ...

Python Dictionaries   updated at May 09, 2024   6,679   Dictionaries are used to store data values in key:value pairs.A dictionary is a collection which is ordered*,changeable and do not allow duplicates.Dictionaries are written with curly brackets,and have keys and values:Dictionary Items.Dictionary items are ...

Python Sets   updated at May 09, 2024   6,664   Sets are used to store multiple items in a single variable.Set is one of 4 built-in data types in Python used to store collections of data,the other 3 are List,Tuple,and Dictionary,all with different qualities and usage.A set is a collection which is unord...

Python Comparison Operators   updated at May 10, 2024   6,715   OperatorDescriptionExample.==,If the values of two operands are equal,then the condition becomes true.(a == b) is not true..!=,If values of two operands are not equal,then condition becomes true.(a != b) is true..If values of two operands are not equal,the...

Python Arithmetic Operators   created at Jun 14, 2023   6,673   OperatorDescriptionExample% ModulusDivides left hand operand by right hand operand and returns remainder20 % 10 = 0* MultiplicationMultiplies values on either side of the operator10 * 20 = 200** ExponentPerforms exponential (power) calculation on operators...

Printing string n times   created at Jun 14, 2023   6,678   In Python, you don't need to repeat commands / functions to print a string. You can simply implement it like:

String concatenation by join()   created at Jun 14, 2023   6,760   Write the code for a Python function expand(x) that takes a list of strings, concatenates them, and returns the resulting string repeated three times.Input: ['string1', 'string2']Output: 'string1string2string1string2string1string2'

Python Lists   updated at May 10, 2024   6,714   Lists are used to store multiple items in a single variable.Lists are one of 4 built-in data types in Python used to store collections of data,the other 3 are Tuple,Set,and Dictionary,all with different qualities and usage.Lists are created using square br...

Python String Operations   updated at May 10, 2024   6,714   You can return a range of characters by using the slice syntax.Specify the start index and the end index,separated by a colon,to return a part of the string.Slice From the Start.By leaving out the start index,the range will start at the first character:Sli...

Python Data Types   updated at May 10, 2024   6,713   In programming,data type is an important concept.Variables can store data of different types,and different types can do different things.Python has the following data types built-in by default,in these categories:Text Type:str.Numeric Types:int,float,compl...

Python Variables   updated at May 10, 2024   6,716   Variables are containers for storing data values.Creating Variables.Python has no command for declaring a variable.A variable is created the moment you first assign a value to it.Variables do not need to be declared with any particular type,and can even ch...

Python Comments   updated at May 10, 2024   6,797   Comments can be used to explain Python code.Comments can be used to make the code more readable.Comments can be used to prevent execution when testing code.Creating a Comment.Comments starts with a #,and Python will ignore them:Comments can be placed at th...

Python Syntax   updated at May 10, 2024   6,714   Execute Python Syntax.As we learned in the previous page,Python syntax can be executed by writing directly in the Command Line:Or by creating a python file on the server,using the .py file extension,and running it in the Command Line:Python Indentation.Ind...

Python Getting Started   updated at May 10, 2024   6,711   Many PCs and Macs will have python already installed.To check if you have python installed on a Windows PC,search in the start bar for Python or run the following on the Command Line (cmd.exe):To check if you have python installed on a Linux or Mac,then on...

Python Introduction   created at Jun 12, 2023   6,664   Python is a popular programming language. It was created by Guido van Rossum, and released in 1991.It is used for:web development (server-side), software development, mathematics, system scripting. What can Python do?Python can be used on a server to creat...

What is Python?   created at Jun 12, 2023   6,666   Python is a genus of constricting snakes in the Pythonidae family native to the tropics and subtropics of the Eastern Hemisphere.In terms of programming language, Python was created by Guido van Rossum, and first released on February 20, 1991. While you ma...