A main function is used so the file can be imported into a REPL without running as a script, this is what the if statement does. If you did not use if the script would be run at times where you don't want it to … · What is the correct (most efficient) way to define the main() function in C and C++ — int main() or void main() — and why? And how about the arguments? If int main() then return 1 or return 0? · Also worth noting that having a main() function makes it possible to run that code with: import module; module.main(). If the code were just in the if block, it couldn't be run from elsewhere. · Is there anything on main to merge with? Or is it the default empty branch github provides? In the latter case, you don't need to merge, just rename one of your two branches to the … · What does this do, and why should one include the if statement? if __name__ == "__main__": print ("Hello, World!") If you are trying to close a question where someone should be · The short answer, is because the C++ standard requires main() to return int. As you probably know, the return value from the main() function is used by the runtime library as the exit … · $ python my_program.py You can also create a directory or zipfile full of code, and include a __main__.py. Then you can simply name the directory or zipfile on the command line, and it … · Thus such a definition for main matches the following description in the standard: It [main] shall be defined with a return type of int and with no parameters. There is, however, a noticeable …
