获取命令行参数

来源：图艺博知识网

#!/usr/bin/env python3
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("square", help="display a square of a given number", type=int)
parser.add_argument("-v", "--verbose", help="increase output verbosity", action="store_true")
args = parser.parse_args()
answer = args.square**2
if args.verbose:
    print("the square of {} equals {}".format(args.square, answer))
else:
    print(answer)

Top