Why use def main()?
Other languages (like C and Java) have a main() function that is called when the program is executed. Using this if, we can make Python behave like them, which feels more familiar for many people.
coding-style
In Python, is it better to use list comprehensions or for-each loops?
Which of the following is better to use and why?
Creating an empty list in Python
What is the best way to create a new empty list in Python?
python close file descriptor question
I think this question is more of a “coding style” rather than technical issue.