Python Hello World Program

 

Python Hello World Program

Tutorial Outline


  • Python Basic Syntax

  • Python Function Syntax

  • Python Hello World Program


Python Basic Syntax

Python syntax can be executed by writing directly in the command line.


Example: >>> print (“Hello, Python World!\n”)

Hello, Python World!

-

Or

By creating a Python file on the server / local machine, using the .py file extension and running it in the command line.


Example: $ python3 MyFirstProgram.py [Hit Enter]


Python Function Syntax

def main():

# code here

main()


Example: def main():

print (“Hello, Python World!\n”)

main()


Save as: FunctionDemo.py

Execute: $ python3 FunctionDemo.py [Hit Enter]

Output: Hello, Python World!


Python Hello World Program


Program 1: Python Simple Hello World Program


"""
Program: Python 3 program to display the Hello World message on the console screen.
Date: Thu, 21-Oct-2021
@author: Ankur Saxena
Platform: Linux Ubuntu 20.04/x64/Python 3.6/Vim
"""

# Program start

# Print message
print ("Hi, Python World!")

# Program end

"""
Save this file as "HelloPi1.py"
Execute: $ python HelloPi1.py [hit Enter]
Output:

Hi, Python World!
"""

Program 2: Python Hello World Program Using Function

"""
Program: Python 3 program to display the Hello World message on the console screen.
Date: Thu, 21-Oct-2021
@author: Ankur Saxena
Platform: Linux Ubuntu 20.04/x64/Python 3.6/Vim
"""

# Program start

def main():
print ("Hi, Python World!\n")
main()

# Program end

"""
Save this file as "HelloFunction1.py"
Execute: $ python HelloFunction1.py [Hit Enter]
Output:

Hi, Python World!
"""

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