Why does the console immediately disappear when I run a python file?

Question

Python

I installed python on windows, I create a file with the extension .py . At startup, the console appears for a split second and disappears, how to fix this?

Answer 1

Call the console, and run in it

Answer 2

Better use python code.
And so at the end write input("") all

Answer 3

Run cmd and call the code from there