>>> import keyword >>> dir(keyword) ['__all__', '__builtins__', '__doc__', '__file__', '__name__', '__package__', 'iskeyword', 'kwlist', 'main']
>>> type(42)<class 'int'> >>> type([])<class 'list'>
>>> isinstance("python", str)
True>>> help
Type help() for interactive help, or help(object) for help about object.
>>> help()
Welcome to Python 3.6's help utility!
If this is your first time using Python, you should definitely check out
the tutorial on the Internet at https://docs.python.org/3.6/tutorial/.
Enter the name of any module, keyword, or topic to get help on writing
Python programs and using Python modules. To quit this help utility and
return to the interpreter, just type "quit".
...
help> keywords
Here is a list of the Python keywords. Enter any keyword to get more help.
False def if raise
None del import return
True elif in try
and else is while
as except lambda with
assert finally nonlocal yield
break for not
class from or
continue global pass
help> modules
Please wait a moment while I gather a list of all available modules...
PIL base64 idlelib runpy
__future__ bdb idna runscript
__main__ binascii idna_ssl sched
_ast binhex imaplib scrolledlist
_asyncio bisect imghdr search
_bisect browser imp
...
Enter any module name to get more help. Or, type "modules spam" to search
for modules whose name or summary contain the string "spam".
>>> help('print')
Help on built-in function print in module builtins:
print(...)
print(value, ..., sep=' ', end='\n', file=sys.stdout, flush=False)
Prints the values to a stream, or to sys.stdout by default.
Optional keyword arguments:
file: a file-like object (stream); defaults to the current sys.stdout.
sep: string inserted between values, default a space.
end: string appended after the last value, default a newline.
flush: whether to forcibly flush the stream.推荐教程：《Python教程》《Python教程》
以上就是Python 的自省是什么？的详细内容！
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