$ python -h
usage: python [option] ... [-c cmd | -m mod | file | -] [arg] ...
Options and arguments (and corresponding environment variables):
-c cmd : program passed in as string (terminates option list)
-d : debug output from parser (also PYTHONDEBUG=x)
-E : ignore environment variables (such as PYTHONPATH)
-h : print this help message and exit
[ etc. ]
这种么理解?新人刚学习
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-C命令:以字符串形式传入的程序(终止选项列表)
-D:来自解析器的调试输出(也是pythondebug=x)
-E:忽略环境变量(如pythonpath)
-H:打印此帮助消息并退出
看字面意思就知道了,还需要理解啥