Hello World Program in Python-A Beginner’s Guide

Hello World Program in Python-A Beginner’s Guide

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Vikram
Vikram Singh
Assistant Manager - Content
Updated on Aug 31, 2023 11:57 IST

Learn how to write your first Python program, ‘Hello World’. This article will guide you through writing and understanding this simple program, a great first step in learning Python.

2023_07_Hello-World-Program-in-Python.jpg

Python is a powerful, widely used general-purpose, object-oriented, high-level programming language. It is one of the most popular coding languages due to its versatility. Python is often used for data analysis, machine learning, and web development tasks. In this article, we will use different methods to show how to write the first program that beginners write while learning the program, i.e., “Hello, World!!”.

Must Read: What is Python?

Must Check: Top Python Online Courses and Certifications

So, let’s start the article.

Before writing the program in Python, you must set up the environment, i.e., install Python in your system or use the online Python IDE’s and code editors and run Python directly in your web browser.

Running the “Hello, World!!” Program

The “Hello, World!!” program is straightforward in Python, and there are different methods to run the program, such as using print commands, variables, functions, class, and lambda functions.
Let’s start with the print statement:
Print statement in Python prints the specific message on the screen or any standard device.


 
print("Hello, World!!")
Copy code

Output

2023_07_hello_world-3.jpg

Congratulations!!, You are done with your first program.

Explanation

When you hit the run key after writing the program, the print statement will show the argument passed in it, i.e., Hello, World!!.

Since it’s your first program in Python, here are some tips and tricks you can follow to learn Python most efficiently.

Tips & Tricks for Python Beginners

  • Understand the Basics
  • Learn About Python Libraries
  • Write the function name and class name that is easy to understand
  • Practice Regularly
  • Works on Real-Life Projects
  • Learn to Debug
  • Join the Python Community

Common Mistakes to Avoid While Learning Python

  • Ignoring the importance of Indentation
  • Ignoring Error Message
  • Not Writing Proper Comments in Between the Program
  • Not using the Proper Documentation
  • Writing large functions or classes

Advance Topic

Hello World Program in Python Using a Variable


 
#print hello world using variable
first_program = "Hello, World!!"
print (first_program)
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Output

2023_07_hello_world-8.jpg

Here, we have created a variable name, ‘ first_program’, and then assigned the string “Hello, World!!” corresponding to it. Then, using the print command, we print the variable's value.

Must Read: Variables in Python

Hello World Program in Python Using a Function


 
#print hello world using def keyword in python
def hello_world():
return "Hello, World!!"
print(hello_world())
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Output

2023_07_hello_world-6.jpg

The def keyword in Python is used to define the function. Here, the hello_world function is defined to return the string “Hello. World!!”. Then, the print function calls ‘hello_world’, and the return string is printed as output.

Hello World Program in Python Using a Lambda Function


 
#print hello world using lambda function in python
first_program = lambda: "Hello, World!!"
print(first_program())
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Output

2023_07_hello_world-7.jpg

The lambda function in Python is anonymous and can take any number of arguments but have only one expression. Here, the lambda function takes no arguments but returns “Hello, World!!”. Then, the print function calls the function and prints its return value.

Hello World Program in Python Using a Class


 
class First_Program:
def print_message(self):
print("Hello, World!!")
fp = First_Program()
fp.print_message()
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Output

2023_07_hello_world-4.jpg

The above program is quite an advanced level program. Here, we have used the concept of class in Python, which you will learn later.
Here, the ‘First_Program’ class is defined with a print message method that prints the ‘Hello, World!!’.

Conclusion

Hello World program Python is traditionally the first program written by a new programmer. This article discussed how to run the “Hello, World!!” program using different methods. In this article, we have also discussed some tips and common mistakes to avoid while learning Python.

Hope you will like the article.

Keep Learning!!

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FAQs

What is the Hello World Program in Python?

The Hello World program in Python is a simple program that outputs the text Hello World to the console.

How do you write Hello World Program in Python?

There are different methods in which you can write the hello world program in Python, such as using print, variables, function, class, and lambda function.

What is the function Python Hello World?

This is one of the first program of every beginner who starts learning Python. It is a simple Python program that outputs the text Hello World.

Why is the Hello World program traditionally the first program written by new programmers?

The Hello World program is a simple way to learn a new programming language. It allows beginners to get familiar with the syntax and the process of writing and running a program without getting overwhelmed.

About the Author
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Vikram Singh
Assistant Manager - Content

Vikram has a Postgraduate degree in Applied Mathematics, with a keen interest in Data Science and Machine Learning. He has experience of 2+ years in content creation in Mathematics, Statistics, Data Science, and Mac... Read Full Bio

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