【自分メモ】python -v / python -V

#びびった
Cloud9上のPythonのバージョンを知りたくてうっかり
`python -v`と打ったらいっぱい出てきて焦った

```
import _frozen_importlib # frozen
import _imp # builtin
import sys # builtin
import '_warnings' # <class '_frozen_importlib.BuiltinImporter'>
import '_thread' # <class '_frozen_importlib.BuiltinImporter'>
import '_weakref' # <class '_frozen_importlib.BuiltinImporter'>
import '_frozen_importlib_external' # <class '_frozen_importlib.FrozenImporter'>
import '_io' # <class '_frozen_importlib.BuiltinImporter'>
import 'marshal' # <class '_frozen_importlib.BuiltinImporter'>
import 'posix' # <class '_frozen_importlib.BuiltinImporter'>
import _thread # previously loaded ('_thread')
import '_thread' # <class '_frozen_importlib.BuiltinImporter'>
import _weakref # previously loaded ('_weakref')
import '_weakref' # <class '_frozen_importlib.BuiltinImporter'>
# installing zipimport hook
import 'zipimport' # <class '_frozen_importlib.BuiltinImporter'>
# installed zipimport hook
# /usr/lib64/python3.6/encodings/__pycache__/__init__.cpython-36.pyc matches /usr/lib64/python3.6/encodings/__init__.py
# code object from '/usr/lib64/python3.6/encodings/__pycache__/__init__.cpython-36.pyc'
# /usr/lib64/python3.6/__pycache__/codecs.cpython-36.pyc matches /usr/lib64/python3.6/codecs.py
# code object from '/usr/lib64/python3.6/__pycache__/codecs.cpython-36.pyc'
import '_codecs' # <class '_frozen_importlib.BuiltinImporter'>
import 'codecs' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec9b2208>
# /usr/lib64/python3.6/encodings/__pycache__/aliases.cpython-36.pyc matches /usr/lib64/python3.6/encodings/aliases.py
# code object from '/usr/lib64/python3.6/encodings/__pycache__/aliases.cpython-36.pyc'
import 'encodings.aliases' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec9c0ba8>
import 'encodings' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbeca26d30>
# /usr/lib64/python3.6/encodings/__pycache__/utf_8.cpython-36.pyc matches /usr/lib64/python3.6/encodings/utf_8.py
# code object from '/usr/lib64/python3.6/encodings/__pycache__/utf_8.cpython-36.pyc'
import 'encodings.utf_8' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec9ce9b0>
import '_signal' # <class '_frozen_importlib.BuiltinImporter'>
# /usr/lib64/python3.6/encodings/__pycache__/latin_1.cpython-36.pyc matches /usr/lib64/python3.6/encodings/latin_1.py
# code object from '/usr/lib64/python3.6/encodings/__pycache__/latin_1.cpython-36.pyc'
import 'encodings.latin_1' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec9d44e0>
# /usr/lib64/python3.6/__pycache__/io.cpython-36.pyc matches /usr/lib64/python3.6/io.py
# code object from '/usr/lib64/python3.6/__pycache__/io.cpython-36.pyc'
# /usr/lib64/python3.6/__pycache__/abc.cpython-36.pyc matches /usr/lib64/python3.6/abc.py
# code object from '/usr/lib64/python3.6/__pycache__/abc.cpython-36.pyc'
# /usr/lib64/python3.6/__pycache__/_weakrefset.cpython-36.pyc matches /usr/lib64/python3.6/_weakrefset.py
# code object from '/usr/lib64/python3.6/__pycache__/_weakrefset.cpython-36.pyc'
import '_weakrefset' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec9da470>
import 'abc' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec9d4ac8>
import 'io' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec9d4710>
# /usr/lib64/python3.6/__pycache__/site.cpython-36.pyc matches /usr/lib64/python3.6/site.py
# code object from '/usr/lib64/python3.6/__pycache__/site.cpython-36.pyc'
# /usr/lib64/python3.6/__pycache__/os.cpython-36.pyc matches /usr/lib64/python3.6/os.py
# code object from '/usr/lib64/python3.6/__pycache__/os.cpython-36.pyc'
import 'errno' # <class '_frozen_importlib.BuiltinImporter'>
# /usr/lib64/python3.6/__pycache__/stat.cpython-36.pyc matches /usr/lib64/python3.6/stat.py
# code object from '/usr/lib64/python3.6/__pycache__/stat.cpython-36.pyc'
import '_stat' # <class '_frozen_importlib.BuiltinImporter'>
import 'stat' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec97e7f0>
# /usr/lib64/python3.6/__pycache__/posixpath.cpython-36.pyc matches /usr/lib64/python3.6/posixpath.py
# code object from '/usr/lib64/python3.6/__pycache__/posixpath.cpython-36.pyc'
# /usr/lib64/python3.6/__pycache__/genericpath.cpython-36.pyc matches /usr/lib64/python3.6/genericpath.py
# code object from '/usr/lib64/python3.6/__pycache__/genericpath.cpython-36.pyc'
import 'genericpath' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec987208>
import 'posixpath' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec97eeb8>
# /usr/lib64/python3.6/__pycache__/_collections_abc.cpython-36.pyc matches /usr/lib64/python3.6/_collections_abc.py
# code object from '/usr/lib64/python3.6/__pycache__/_collections_abc.cpython-36.pyc'
import '_collections_abc' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec987828>
import 'os' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec973128>
# /usr/lib64/python3.6/__pycache__/_sitebuiltins.cpython-36.pyc matches /usr/lib64/python3.6/_sitebuiltins.py
# code object from '/usr/lib64/python3.6/__pycache__/_sitebuiltins.cpython-36.pyc'
import '_sitebuiltins' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec973518>
# /usr/lib64/python3.6/__pycache__/sysconfig.cpython-36.pyc matches /usr/lib64/python3.6/sysconfig.py
# code object from '/usr/lib64/python3.6/__pycache__/sysconfig.cpython-36.pyc'
import 'sysconfig' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec919c88>
# /usr/lib64/python3.6/__pycache__/_sysconfigdata_m_linux_x86_64-linux-gnu.cpython-36.pyc matches /usr/lib64/python3.6/_sysconfigdata_m_linux_x86_64-linux-gnu.py
# code object from '/usr/lib64/python3.6/__pycache__/_sysconfigdata_m_linux_x86_64-linux-gnu.cpython-36.pyc'
import '_sysconfigdata_m_linux_x86_64-linux-gnu' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec92f5c0>
# /usr/lib64/python3.6/__pycache__/_bootlocale.cpython-36.pyc matches /usr/lib64/python3.6/_bootlocale.py
# code object from '/usr/lib64/python3.6/__pycache__/_bootlocale.cpython-36.pyc'
import '_locale' # <class '_frozen_importlib.BuiltinImporter'>
import '_bootlocale' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec93c518>
# /usr/lib64/python3.6/__pycache__/types.cpython-36.pyc matches /usr/lib64/python3.6/types.py
# code object from '/usr/lib64/python3.6/__pycache__/types.cpython-36.pyc'
# /usr/lib64/python3.6/__pycache__/functools.cpython-36.pyc matches /usr/lib64/python3.6/functools.py
# code object from '/usr/lib64/python3.6/__pycache__/functools.cpython-36.pyc'
import '_functools' # <class '_frozen_importlib.BuiltinImporter'>
# /usr/lib64/python3.6/collections/__pycache__/__init__.cpython-36.pyc matches /usr/lib64/python3.6/collections/__init__.py
# code object from '/usr/lib64/python3.6/collections/__pycache__/__init__.cpython-36.pyc'
# /usr/lib64/python3.6/__pycache__/operator.cpython-36.pyc matches /usr/lib64/python3.6/operator.py
# code object from '/usr/lib64/python3.6/__pycache__/operator.cpython-36.pyc'
import '_operator' # <class '_frozen_importlib.BuiltinImporter'>
import 'operator' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec8f6278>
# /usr/lib64/python3.6/__pycache__/keyword.cpython-36.pyc matches /usr/lib64/python3.6/keyword.py
# code object from '/usr/lib64/python3.6/__pycache__/keyword.cpython-36.pyc'
import 'keyword' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec9014e0>
# /usr/lib64/python3.6/__pycache__/heapq.cpython-36.pyc matches /usr/lib64/python3.6/heapq.py
# code object from '/usr/lib64/python3.6/__pycache__/heapq.cpython-36.pyc'
# extension module '_heapq' loaded from '/usr/lib64/python3.6/lib-dynload/_heapq.cpython-36m-x86_64-linux-gnu.so'
# extension module '_heapq' executed from '/usr/lib64/python3.6/lib-dynload/_heapq.cpython-36m-x86_64-linux-gnu.so'
import '_heapq' # <_frozen_importlib_external.ExtensionFileLoader object at 0x7ffbec902240>
import 'heapq' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec901cf8>
import 'itertools' # <class '_frozen_importlib.BuiltinImporter'>
# /usr/lib64/python3.6/__pycache__/reprlib.cpython-36.pyc matches /usr/lib64/python3.6/reprlib.py
# code object from '/usr/lib64/python3.6/__pycache__/reprlib.cpython-36.pyc'
import 'reprlib' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec8fa9e8>
import '_collections' # <class '_frozen_importlib.BuiltinImporter'>
import 'collections' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec8d5940>
# /usr/lib64/python3.6/__pycache__/weakref.cpython-36.pyc matches /usr/lib64/python3.6/weakref.py
# code object from '/usr/lib64/python3.6/__pycache__/weakref.cpython-36.pyc'
import 'weakref' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec8d5d30>
import 'functools' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec8c91d0>
# /usr/lib64/python3.6/collections/__pycache__/abc.cpython-36.pyc matches /usr/lib64/python3.6/collections/abc.py
# code object from '/usr/lib64/python3.6/collections/__pycache__/abc.cpython-36.pyc'
import 'collections.abc' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec8c9f28>
import 'types' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec942518>
# /usr/lib64/python3.6/importlib/__pycache__/__init__.cpython-36.pyc matches /usr/lib64/python3.6/importlib/__init__.py
# code object from '/usr/lib64/python3.6/importlib/__pycache__/__init__.cpython-36.pyc'
# /usr/lib64/python3.6/__pycache__/warnings.cpython-36.pyc matches /usr/lib64/python3.6/warnings.py
# code object from '/usr/lib64/python3.6/__pycache__/warnings.cpython-36.pyc'
import 'warnings' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec8cd160>
import 'importlib' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbec942748>
# /usr/lib64/python3.6/importlib/__pycache__/util.cpython-36.pyc matches /usr/lib64/python3.6/importlib/util.py
# code object from '/usr/lib64/python3.6/importlib/__pycache__/util.cpython-36.pyc'
# /usr/lib64/python3.6/importlib/__pycache__/abc.cpython-36.pyc matches /usr/lib64/python3.6/importlib/abc.py
# code object from '/usr/lib64/python3.6/importlib/__pycache__/abc.cpython-36.pyc'
# /usr/lib64/python3.6/importlib/__pycache__/machinery.cpython-36.pyc matches /usr/lib64/python3.6/importlib/machinery.py
# code object from '/usr/lib64/python3.6/importlib/__pycache__/machinery.cpython-36.pyc'
import 'importlib.machinery' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbe5150630>
import 'importlib.abc' # <_frozen_importlib_external.SourceFileLoader object at 0x7ffbe5150048>
# /usr/lib64/python3.6/__pycache__/contextlib.cpython-36.pyc matches /usr/lib64/python3.6/co>>> 
```

##調べた

`python -v`って何？
詳細なimport文の追跡と。なにそれ。

今度からは絶対間違えないぞ。
Pythonのバージョンを知りたい時のコマンドは`python -V`です。