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Python Tutorials for AP Computer Science Principles, Data Projects and High School Internship   updated at May 10, 2024   1,445   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 Lists   updated at May 10, 2024   144   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   196   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 Variables   updated at May 10, 2024   747   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 Data Types   updated at May 10, 2024   850   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 Sets   updated at May 09, 2024   424   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 Tuples   updated at May 09, 2024   783   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...

Python Dictionaries   updated at May 09, 2024   849   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 While Loops/For Loops   updated at May 09, 2024   710   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 Functions   updated at May 09, 2024   765   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 Arrays   updated at May 09, 2024   431   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 Iterators   updated at May 09, 2024   749   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 Modules   updated at May 09, 2024   758   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...

String concatenation by join()   created at Jun 14, 2023   122   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'