Python is a popular programming language used to develop websites, analyze data, and automate tasks. These various Python articles provide information on courses, resources, books, and communities to help you learn this coding language. There is also a handy glossary of Python terminology, quizzes and exercises, and specific resources for various career paths.
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Python Class Variables vs. Instance Variables
Python is an object-oriented programming language that allows programmers to define objects which can contain data. Python variables let you store particular values in a program. When you’re working with objects in Python, there are two types of variables you…
What Is Python Django?
Python Django: Courses, Training, and Other Resources How to Learn Python Django If you somehow haven’t heard, Python has risen to become one of the most popular programming languages in the world, for both professional developers and beginners alike. It…
Packages for Python Using Pip
Managing your packages in Python can be a cumbersome task. This article discusses useful commands and provides resources to help manage your packages using pip and the difference between pipenv and virtualenv. We will also cover a powerful framework named…
How to Use the Python Time Module
The Python time module represents time-based objects in Python. Developers use time() function returns the current time as a UNIX timestamp. The ctime() function translates a UNIX timestamp into a standard year, month, day, and time format. Working with time…
Python Read File: A Step-By-Step Guide
The open() function opens a file. You must use the "r" mode to read a file. The read(), readline(), readlines() functions return the contents of a file you have opened. Python is a useful programming language to use if you…
Python Write to File: A Guide
he open() function writes contents to an existing file. You must use the "w", "a", "r+", "a+', or "x" file modes to write text to a file. The most common file modes are "w" and "a". These modes write data…
if else Python Statements: A Step-By-Step Guide
An if else Python statement evaluates whether an expression is true or false. If a condition is true, the "if" statement executes. Otherwise, the "else" statement executes. Python if else statements help coders control the flow of their programs. When…
Python Input: A Step-By-Step Guide
The Python input() and raw_input() functions are used to collect user input. input() has replaced raw_input() in Python 3 and onward. Both functions return a user input as a string. Processing user input is a crucial part of programming. For…
Python Zip: A Step-By-Step Guide
The Python zip() function accepts iterable items and merges them into a single tuple. The resultant value is a zip object that stores pairs of iterables. You can pass lists, tuples, sets, or dictionaries through the zip() function. Python has…
Python Break and Continue: Step-By-Step Guide
The Python break statement stops the loop in which the statement is placed. A Python continue statement skips a single iteration in a loop. Both break and continue statements can be used in a for or a while loop. You…
Python Append to List: A Step-By-Step Guide
The append() Python method adds an item to the end of an existing list. The append() method does not create a new list. Instead, original list is changed. append() also lets you add the contents of one list to another…
Python Sort(): A How-To Guide
The Python sort() method sorts a list in ascending order by its values. You can sort a list in descending order by using the reverse parameter. sort() optionally accepts a function that lets you specify a custom sort. All coders…
How to Use Python split()
The Python split() method divides a string into a list. Values in the resultant list are separated based on a separator character. The separator is a whitespace by default. Common separators include white space and commas. Dividng the contents of…
Enumerate Python: Step-by-Step Guide
The Python enumerate() function adds a counter to an iterable object. The counter lets you keep track of how many iterations have occurred. This counter is stored as a separate variable. The Python programming language has several useful features that…
Python SyntaxError: Invalid Syntax
Syntax are rules that dictate how programming languages should be written. Each language has its own set of syntax rules different from others. We can think of them like grammar or punctuation in spoken languages. The question mark in English…
Python Algorithms
Algorithms are well defined instructions used to solve problems. Imagine you live on the second floor of a building and you needed to give yourself instructions to check your mail. Your algorithm would look something like this: stand_up() find_mailbox_key() take_mailbox_key()…
Python NameError: name ‘xrange’ is not defined Solution
In Python 3, the xrange function was removed. If you try to use the xrange function in a Python 3 program, you’ll encounter the NameError: name ‘xrange’ is not defined error. In this guide, we’re going to discuss what this…
Python Substring: A Step-By-Step Guide
A Python substring is a portion of text taken from a string. You can extract a substring in Python using slicing, with the format: YourString[StartingIndex:StoppingIndex:CharactersToSkip]. Often, programmers have data that they want to split up into different parts. For example,…
Is Python Object Oriented
What is Object-Oriented Programming? Object-oriented programming (OOP) is a paradigm or design that allows us to model concepts as objects and define the relationships between the objects. The paradigm focuses on the objects developers want to manipulate, instead of the…
Python Fundamentals: Capitalize First Letter of String
There are many methods to manipulate strings in Python. If you must capitalize the first letter of a string in Python in a code challenge, how will you do it? This article talks about one way you can manipulate strings…
Python PermissionError: [errno 13] permission denied Solution
Python can only open, read from, and write to files if an interpreter has the necessary permissions. If you try to open, read from, or write to a file over which Python has no permissions, you’ll encounter the PermissionError: [errno…
Python beyond top level package error in relative import Solution
You can import packages relatively inside a Python project. If you make a mistake in importing a package relatively, you’ll encounter the beyond top level package error in relative import error. In this guide, we’re going to discuss what this…
Python pip: command not found Solution
pip allows you to download packages you can reference in your Python code. If you try to install a package using pip without having the package manager installed on your computer, you’ll encounter the pip: command not found error. In…
Git xcrun: error: invalid active developer path Solution
Git relies on various dependencies within Apple’s Xcode command line tools to function. If you do not have Xcode Tools installed on your system, you’ll encounter the xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools) when you try to run a…
Python SyntaxError: cannot assign to operator Solution
You cannot assign the result of a calculation to a mathematical operator. If you perform a calculation before an assignment operator appears on a line of code, you’ll encounter the SyntaxError: cannot assign to operator error. In this guide, we…
Python pip install invalid syntax Solution
The pip package installer must be run from the command line. If you try to install a package from the Python interpreter or in a Python program, you’ll encounter the SyntaxError: invalid syntax error. In this guide, we’re going to…
Python Data Structures
Data structures are essential in programming. They are used to organize, store, and manage data in a way that is efficient to access and modify. Imagine doing your weekly load of laundry. Ideally, you separate socks, tees, trousers, and delicates…
Python NameError: name ‘raw_input’ is not defined Solution
Python 3 has replaced Python 2’s raw_input() method with the input() method. If you try to use raw_input() in Python 3, you’ll encounter the NameError: name ‘raw_input’ is not defined error. In this guide, we’re going to discuss what this…
Python Exceptions: A Guide
Exceptions can be raised by the Python interpreter and manually. Built-in exceptions help catch common errors in a program. In this guide, we’re going to discuss what an exception is and how they are used. We’ll walk through an example…
Python SyntaxError: continue not properly in loop Solution
The continue keyword moves the order of a program onto the next iteration in a loop. If you use a continue statement outside of a for loop or a while loop, the SyntaxError: continue not properly in loop error will…
