SystemExit is an exception, which basically means that your progam had a behavior such that you want to stop it and raise an error. sys.exit is ... ... <看更多>

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Exception has occurred: SystemExit 0 File "~/.vscode/extensions/ms-python.python-2018.9.2/pythonFiles/experimental/testlauncher.py", ... ... <看更多>

def main(data): print data try: import sys data = sys.argv[1] except : print "<usage: python my_script.py arg1>" raise SystemExit else: main(data). ... <看更多>