Follow these 8 steps to run a Python program on your computer and get started coding today.
Checkout this video:
This tutorial will show you how to run a Python program. Python is a versatile language that can be used for many different purposes, from web development to data science. In this tutorial, we’ll show you how to run a Python program on Windows, macOS, and Linux.
Setting up Python
This document explains how to set up Python on your computer. Python is a programming language that is widely used in many industries today. If you are new to programming, Python is a good language to start with because it is easy to learn and has many libraries that you can use for your projects.
To start using Python, you need to install it on your computer. You can download the latest version of Python from the official website at https://www.python.org/. After downloading the installer, run it and follow the instructions on the screen.
Once you have installed Python, you can open the IDLE application that comes with the Python installation. IDLE stands for Integrated Development and Learning Environment. This application will allow you to write and run your Python programs.
To write a program in IDLE, go to File > New File. A new window will open where you can type your code. When you are done writing your code, save it by going to File > Save As… and giving your file a name with the extension .py . For example, if your program is a calculator, you can name your file calculator.py .
To run your program, go to Run > Run Module or press F5 on your keyboard. A new window will open with your program’s output.
Creating and running your first Python program
Python is a very versatile language that you can use on any computer, regardless of operating system. You canwrite and run Python programs directly from a terminal window, or you can use an Integrated Development Environment (IDE) like PyCharm to write and test your code.
In this tutorial, we’ll show you how to write and run your first Python program. We’ll also explain some of the key concepts that you need to know in order to write Python code.
Creating a Python program is simple: just create a new text file and give it a “.py” extension. For example, you could create a file called “helloworld.py” and then type the following into it:
Running this program is just as easy: simply tell Python to run the file. On Windows, you can do this by opening up a Command Prompt window and then typing “python helloworld.py”. On Mac or Linux, open up a terminal window and type “python3 helloworld.py”. You should see the words “Hello, world!” printed out on the screen.
If you want to edit your Python code, any text editor will do the trick. However, we recommend using an IDE like PyCharm, which makes it easy to write and test your code.
Basic Python syntax
Basic Python syntax is straightforward. Programs written in Python typically run about one-fifth as slowly as the equivalent C program. In addition, programs written in Python are typically much shorter than the equivalent C program.
On the positive side, Python can be easily integrated with C andFortran code, and it runs on all major operating systems with few or no platform-specific modifications.
Loops and Conditionals
In this section, we will go over how to use loops and conditionals in your Python program. Loops are used to repeat a block of code a certain number of times, or until a condition is met. Conditionals are used to check if a condition is True or False, and execute different code depending on the result.
Working with data
Assuming you have a basic understanding of Python, the first thing you need to do in order to run a Python program is install Python on your computer. You can do this by visiting the official Python website and downloading the latest version of Python for your operating system.
Once you have installed Python, you will need to create a text file that contains your Python code. You can do this using any text editor, such as Notepad or TextEdit. Just make sure to save your file with a “.py” extension so that Python will recognize it as a valid Python program.
Once you have created your Python program, you can run it by opening up a terminal window and navigating to the directory where your program is saved. Then, simply type “python” followed by the name of your program file and hit Enter. If everything goes correctly, your program should start running!
Python is an interpreted, high-level, general-purpose programming language. Created by Guido van Rossum and first released in 1991, Python’s design philosophy emphasizes code readability with its notable use of significant whitespace. Its language constructs and object-oriented approach aim to help programmers write clear, logical code for small and large-scale projects.
In the Python Package Index (PyPI) you can find thousands of libraries that extend the capabilities of the language.
Functions are a way to group related code together. They are written like this:
# Function body
Object-Oriented Programming (OOP) is a programming paradigm based on the concept of “objects”, which can contain data, in the form of fields, and code, in the form of procedures. A feature of objects is an object’s procedures that can access and often modify the data fields of the object with which they are associated.
Errors and Exceptions
When you are writing a Python program, you may encounter errors. There are three kinds of errors in programming:
Syntax errors are the most basic type of error. They occur when you make a mistake in the structure of a statement or expression. For example, if you forget a parentheses or misspell a keyword, you will get a syntax error.
Runtime errors occur when your program is trying to do something that is not possible. For example, if you try to divide by zero, you will get a runtime error.
Logic errors are the most difficult to find and fix. They occur when your program is not doing what you want it to do. For example, if you want your program to print the sum of two numbers but it prints the product instead, that is a logic error.
Python is a high-level, interpreted, general-purpose programming language, created on December 3, 1989, by Guido van Rossum, with a design philosophy entitled, “There’s only one way to do it, and that’s why it works.”
In the Python language, that means explicit is better than implicit. It also gives rise to the infamous Python telegraph pole analogy attributed to creator Guido van Rossum, which goes like this:
There is beauty in π, elegance in an all-numeric telephone keypad . . . I am attracted to the simpleness of a perfect poker face, and the serenity of perfect punctuation mark placement. Just as art to be appreciated and not merely consumed, comments in code should be enjoyed for their own sake. And so it goes.