file: import os import sys import argparse if __name__ == "__main__": parser = argparse.ArgumentParser(description='API Server') parser.add_argument('--port',type=str,help='enter a valid port number') args = parser.parse_args() port = args.port print(port) usage: foo.py --port 8888

https://docs.python.org/3/library/argparse.html

import os import sys import argparse if __name__ == "__main__": parser = argparse.ArgumentParser(description='API Server') parser.add_argument('--port',type=int,help='enter a valid port number') args = parser.parse_args() port = args.port print(port) 03.05.17

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