$ 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 command: program passed in as string (list of termination options)
-D: debug output from parser (also pythondebug=x)
-E: Ignore environment variables (such as pythonpath)
-H: Print this help message and exit
You will know the literal meaning, what else do you need to understand