#47 Python Tutorial for Beginners | Special Variable __name__ part 2

In this lecture we will learn:
– main () function in Python
– How special variable is executed with main()?
– How to restrict the execution of statements present inside the main() function?
– Starting point of execution of code

#1
– When we define a function, then we will have to call that function also to print or perform something.
– main() is the starting point of execution.
– main() function will also work only when we call the main() function.
– From the main() function, we can call all other functions that are available in the code.
– When you import the library or a module, it will execute all statements present inside it.
– And if it contains the callable main() function, then main() will call all functions present in the imported module.
– We can also call the main() function only when we want to execute the particular file as a Standalone program.
– We can control the execution flow of main() by using:
if __ name__ == __main()__
– So by using this, some set of statements will be executed only when we call the __name__.
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