I need to invoke method f . If it raises an IOError , I need to invoke it again (retry), and do it at most three times. I need to log any other ... ... <看更多>

This video sets up a try catch structure with a loop to manage user input. ... <看更多>

exit(0) is designed to end the Python executable and therefore your program as well. ... Hence the final message from your program in the except ... ... <看更多>

Simple retry loop in python with error simulation. ... try: danger(). print("No failure.") loop_count -= 1. except Exception: print("Failed! Retrying..."). ... <看更多>

You may not only want to stop the loop, but also provide a specific error message. In that case, you can use the tryCatch function. Let's test this by creating ... ... <看更多>