jupyter運(yùn)行import sysprint(type(sys.path))
try:
sys.path=sys.path.append("test")
except Exception as e: print(e)print(sys.path)<class 'list'>None
python的sys.path是個(gè)列表,為什么append之后變成None了?
炎炎設(shè)計(jì)
2019-01-24 21:51:45