#!/usr/bin/python

def sayHello():
    print ( 'Hello Python!' )

#The line below invokes/calls the sayHello function
sayHello()

#This is equivalent to main entry point function in C/C++/Java/C# programming language
#But if you don't understand - just ignore it as it is not mandatory in Python
if __name__ == "__main__":
   sayHello()

