Using, In general, I do not see a global exit/halt functionality in Python, and I am forced to make it this way. In such a scenario we can use the sys.exit () function to do so, here is how we can implement that. Thank you for your feedback. How to handle a hobby that makes income in US. how do i use the enumerate function inside a list? Okay, this gives a bit more context :) Although now I think that your solution is actually a work-around for very bad programming patterns. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. How to End Loops in Python | LearnPython.com For example, after I input 'n', the terminal writes 'n' again before exiting. The default is to exit with zero. Why are physically impossible and logically impossible concepts considered separate in terms of probability? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The following functions work well if your application uses the only main process. :') if answer.lower ().startswith ("y"): print ("ok, carry on then") elif answer.lower ().startswith ("n"): Production code means the code is being used by the intended audience in a real-world situation. Python sys module contains an in-built function to exit the program and come out of the execution process sys.exit() function. Short story taking place on a toroidal planet or moon involving flying. However, a much easier way to exit a script is to just do this: The above code does the exact same thing as sys.exit. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. I've already tried using exit(), sys.exit(), sys.quit(), quit(), and raise SystemExit. The example below has 2 threads. how to exit a function python Code Example - IQCode.com If so, how close was it? Using in however like I did above tests whether replay can be found in the tuple ("yes", "y"). Linear Algebra - Linear transformation question. . What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? If condition is evaluated to False, the code inside the body of if is skipped. (recursive calling is not the best way, but I had other reasons). Sadly, I'm also 95% sure that it's not the OP's code (even though he implied that it was), or he wouldn't have had this question in the first place, how to exit a python script in an if statement [closed], Difference between exit() and sys.exit() in Python, How Intuit democratizes AI development across teams through reusability. Python exit commands - why so many and when should each be used? details from the sys module documentation: Exit from Python. sys.exit() SystemExit, The point being that the program ends smoothly and peacefully, rather than "I'VE STOPPED !!!!". Jenkins Get Build Number In Shell ScriptFor Jenkins on Linux/MacOS the None of the other answers directly address multiple threads, only scripts spawning other scripts. Can Martian regolith be easily melted with microwaves? How to determine a Python variable's type? The SystemExit is an exception which is raised, when the program is running needs to be stop. How do you ensure that a red herring doesn't violate Chekhov's gun? There are three major loops in python - For loop, While loop, and Nested loops.