#Python default argument values are evaluated once so mutability can bite you, use "None" instead.
What is this if name == "__main__": at the end of a #Python script?
It's typically used to include code that ONLY should run if the module / script is called directly and NOT upon importing it.
Example:
It's typically used to include code that ONLY should run if the module / script is called directly and NOT upon importing it.
Example: