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return None or return can be used to exit out of a function or program, both does the same thing; quit() function can be used, although use of this function is discouraged for making real world applications and should be used only in interpreter. import site def func(): print("Hi") quit() print("Bye")
12 lis 2008 · However, none of them describe the default behavior of a Python script. If a script doesn't call sys.exit(), it will exit with 1 if it terminates on an uncaught error and 0 otherwise. In addition, if you're using the argparse module, it will exit with 2 if invalid command line arguments are passed.
Using the return Statement. The return statement is the most common way to exit a function and return a value to the caller. It terminates the function’s execution and provides the result back to the code that called the function.
16 lut 2024 · To exit a function in Python, you can use the `return` statement, which will immediately exit the function and return a value to the caller. Alternatively, you can use the `sys.exit ()` function from the `sys` module to terminate the function or script entirely.
10 paź 2021 · Here are five (!) ways to do so in Python. 1. raise SystemExit() We can exit from Python code by raising a SystemExit exception: print("Done.") raise SystemExit() The top level interpreter catches this special exception class and triggers its exit routine.
29 gru 2023 · Python scripts or programs run forever unless the execution reaches the end of the program or is exited explicitly. Python provides different ways and methods to quit from script or program. In this tutorial, we will learn how we can explicitly exit the python program by using different methods.
Python won’t tell you about errors like syntax errors (grammar faults), instead it will abruptly stop. An abrupt exit is bad for both the end user and developer. Instead of an emergency halt, you can use a try except statement to properly deal with the problem.
