Execute Python:
Python codes can be executed in three ways:
Script Mode:
Writing Python code in a text editor and saving it with a .py extension. This file can then be executed in the Command Prompt.
Interactive Mode:
Writing Python code in a Python interactive shell. This method is useful for immediate testing of code with no stress of writing and saving the code in a file. This method is suitable only for testing purpose and for small codes.
IDE Mode:
Writing Python code in an Integrated Development Environment or IDE, such as Thonny, Pycharm, Netbeans or Eclipse. This method is suitable for managing large numbers of Python files simultaneously.
Example 1: Printing “HELLO WORLD” in python using Script Mode.
//pythonexample.py
print “HELLO WORLD”
Output: 
