Web Reference: Jun 19, 2020 · I have come across made codes in jupyter notebooks where sys is imported. I can't see the further use of the sys module in the code. Can someone help me to understand what is the purpose of importing sys? I do know about the module and it's uses though but can't find a concise reason of why is it used in many code blocks without any further use. sys.argv is a attribute of the sys module. It says the arguments passed into the file in the command line. sys.argv[0] catches the directory where the file is located. sys.argv[1] returns the first argument passed in the command line. $ time foo real 0m0.003s user 0m0.000s sys 0m0.004s $ What do real, user and sys mean in the output of time? Which one is meaningful when benchmarking my app?
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