How to write hello world using pyhon ? Google Colaboratory | Django | PyCharm | Python Online

Python is a versatile and powerful programming language that is widely used in a variety of industries, including web development, data science, and more. If you're new to Python, the first step is to write a "Hello World" program, which is a simple program that outputs the text "Hello, World!" to the screen. In this article, we'll show you how to write a "Hello World" program using Python, using a variety of tools and platforms.

1. Google Colaboratory

Google Colaboratory is a free, cloud-based platform for writing and running Python code. To write a "Hello World" program using Google Colaboratory, follow these steps:

• Open Google Colaboratory in your web browser.
• Create a new notebook by clicking "File" > "New Notebook".
• In the first code cell, type the following code:

print("Hello, World!") 

• Click the "Run" button to execute the code.
• The output "Hello, World!" should appear below the code cell.

2. Django

Django is a popular web framework for building web applications using Python. To write a "Hello World" program using Django, follow these steps:

• Install Django on your computer using pip or another package manager.
• Create a new Django project using the "django-admin startproject" command.
• Create a new Django app using the "python manage.py startapp" command.
• In the views.py file of your app, add the following code:

from django.http import HttpResponse

def hello(request):
    return HttpResponse("Hello, World!")

• In the urls.py file of your app, add the following code:

from django.urls import path
from . import views

urlpatterns = [
    path('hello/', views.hello, name='hello'),
]

• Run the Django server using the "python manage.py runserver" command.
• Open your web browser and navigate to "http://localhost:8000/hello/".
• The output "Hello, World!" should appear in your browser.

3. PyCharm

PyCharm is an integrated development environment (IDE) for writing and debugging Python code. To write a "Hello World" program using PyCharm, follow these steps:

• Install PyCharm on your computer.
• Create a new Python project.
• In the main.py file of your project, add the following code

print("Hello, World!") 

Click the "Run" button to execute the code.
• The output "Hello, World!" should appear in the PyCharm console.

4. Python Online

There are many online platforms for writing and running Python code, including repl.it, CodePen, and more. To write a "Hello World" program using an online Python editor, follow these steps:

• Navigate to your preferred online Python editor.
• Create a new Python file.
• Add the following code to the file:

print("Hello, World!") 

• Click the "Run" button to execute the code.
• The output "Hello, World!" should appear in the editor's output panel.