Python Principles

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Jun 23 2020 23:00:26
Programming Project Ideas

One of the best ways to improve your programming skill is to work on a project that you find genuinely interesting. Here are some ideas for projects or

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Jun 19 2020 13:11:37
Converting integer to string in Python

To convert an integer to a string, use the str() built-in function. The function takes an int as input and produces a string as its output. Here are some examples.

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Apr 11 2020 10:36:31
What Is A Function

Understanding functions is crucial when learning to program. Different people need different explanations for functions to really click. So we'll try different

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Apr 11 2020 10:36:31
Python String ljust() explained

In Python, strings have a built-in method named ljust. The method lets you pad a string with characters up to a certain length. The ljust method means

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Apr 11 2020 10:36:31
Python Strings

In this tutorial you'll learn how to create and work with strings in Python. Examples and practice exercises are included. A string is a sequence of letters.

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Apr 11 2020 10:36:31
Roadmap For Learning To Code

This post describes what the overall process for learning to code is like. Reading it should give you an overview of what you will be learning as you progress

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Apr 11 2020 10:36:31
What Is Python

In a nutshell, Python is a popular and powerful programming language that is easy to learn. You write programs in Python to instruct your computer, telling

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Apr 11 2020 10:36:31
Why learn Python first?

Python is different from most languages. Python stands out from the rest by being simple, easy to learn, powerful, and can be used in nearly any field.

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Apr 11 2020 10:36:31
What Can You Do With Python

Python is a general-purpose programming language, which means that you can build essentially anything with it. You can use Python to automate boring tasks,

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Apr 11 2020 10:36:31
Convert a string to a list in Python

This post explains how to convert a string to a list in Python. If you need a list of words in the given string, use the built-in . split() method on the

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Apr 11 2020 10:36:31
Python Enumerate By Example

In Python, enumerate() is a built-in function. It is used to compute the indexes of a list while iterating over it. In other words, if you've ever found

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Apr 11 2020 10:36:31
Ways to reverse a Python string

There are different ways to reverse a string in Python. The usual way to reverse a string is to use slicing with a negative step: Breaking it down, string[:]

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Apr 11 2020 10:36:31
Convert string to int in Python

Python has a built-in function that takes a string and converts it to an integer. Here are examples of how to use it, and how to handle errors.

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Apr 11 2020 10:36:31
Why Learn Programming

Technology is increasingly a large part of our lives. By learning to program, you can take advantage of this fact. Programming is a necessary skill for

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Apr 11 2020 10:36:31
Type Errors

A TypeError means that you're trying to combine values of different types that are not compatible. For example, the following (wrong) code adds a string

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Apr 11 2020 10:36:31
Syntax Errors

Syntax means the arrangement of letters and symbols in code. So if you get a syntax error, it usually means you've misplaced a symbol or letter somewhere

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Apr 11 2020 10:36:31
Key Errors

This error means that you're trying to access an invalid key in a dictionary. This is typically because the key does not exist in the dictionary. In other

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Apr 11 2020 10:36:31
Lists Of Strings In Python

This post describes how to work with lists of strings in Python. Lists are one of the most common data structures in Python, and they are often used to

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Apr 11 2020 10:36:31
Index Errors

You may sometimes get an IndexError such as the following when running your code: An IndexError means that your code is trying to access an index that

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Apr 11 2020 10:36:31
Name Errors

When you run Python code, you may get a NameError such as the following: The x in the error will vary depending on your program. The error means that Python

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Apr 11 2020 10:36:31
Improved security in the Python interpreter

We would like to thank Brett Hufnagle for responsibly disclosing security issues in our Python interpreter. The reported issues included a sandbox misconfiguration

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Apr 11 2020 10:36:31
How to use JSON in Python

JSON is a way to represent data such as lists, numbers, and strings as text. This post explains how to encode, decode, and work with JSON in Python. To

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Apr 11 2020 10:36:31
Print Vs Return

Printing and returning are completely different concepts. print is a function you call. Calling print will immediately make your program write out text

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Apr 11 2020 10:36:31
Debugging By Simulation

When you're trying to understand someone else's code, or figure out why your own code isn't working, it is incredibly useful to understand precisely what

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Apr 11 2020 10:36:31
How to split a string in Python

Strings are objects in Python. They have a method named split that lets you split the string. For example, here is a string containing commas that we split:

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Apr 11 2020 10:36:31
How To Approach A Coding Exercise

When you're struggling with solving a programming exercise, it helps to take a structured approach. First determine what to do. You can do this by writing

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Apr 11 2020 10:36:31
Check if a file exists in Python

Sometimes you need to check if a file exists on your file system. Here are different ways to accomplish this. The most Pythonic way to do this is to simply

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Apr 11 2020 10:36:31
How to get unstuck when programming

This post describes approaches and techniques for getting unstuck when programming, including debugging tips, and the varied ways programmers get stuck.

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Apr 11 2020 10:36:31
Function Syntax

You can read about what functions are here. Here are some examples of simple functions: Here's how to call the functions: Here are all the parts that go

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Apr 11 2020 10:36:31
Check if a variable is a string in Python

To check if a variable contains a value that is a string, use the isinstance built-in function. The isinstance function takes two arguments. The first

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