import argparse
parser = argparse.ArgumentParser(description='Demo')
parser.add_argument('--verbose',
action='store_true',
help='verbose flag' )
args = parser.parse_args()
if args.verbose:
print("~ Verbose!")
else:
print("~ Not so verbose")
我收到此错误
用法:ipykernel_launcher.py [-h] [--verbose] ipykernel_launcher.py:错误:无法识别的参数:-f C:\ Users \ Sourav \ AppData \ Roaming \ jupyter \ runtime \ kernel-c07f728a-968e-40af-b09e-e7d9b67b47fe.json
SystemExit:2
C:\ Users \ Sourav \ AppData \ Local \ conda \ conda \ envs \ tensorflow \ lib \ site-packages \ IPython \ core \ interactiveshell.py:2855:UserWarning:要退出:请使用“退出”,“退出” '或Ctrl-D。 警告(“退出:使用'退出','退出'或Ctrl-D。”,堆栈级别= 1)
答案 0 :(得分:0)
在shell窗口(Linux bash)中:
1317:~/mypy$ python stack52235399.py
~ Not so verbose
0940:~/mypy$ python stack52235399.py --verbose
~ Verbose!
0940:~/mypy$ cat stack52235399.py
import argparse
parser = argparse.ArgumentParser(description='Demo')
parser.add_argument('--verbose',
action='store_true',
help='verbose flag' )
args = parser.parse_args()
if args.verbose:
print("~ Verbose!")
else:
print("~ Not so verbose")