mac OS Mavericks上的Python安装错误

大家好，我在MacOSMavericks上，我对python安装进行了一些研究，以获得python命令来显示新更新的python 3.4.1。但事情似乎有点乱。我打字的时候 终端上的蟒蛇3-v，这是我得到的

import _frozen_importlib # frozen
import imp # builtin
import sys # builtin
# installing zipimport hook
# installed zipimport hook
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/__pycache__/__init__.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/__init__.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/__pycache__/__init__.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/codecs.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/codecs.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/codecs.cpython-34.pyc'
import 'codecs' # <_frozen_importlib.SourceFileLoader object at 0x1003e2160>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/__pycache__/aliases.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/aliases.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/__pycache__/aliases.cpython-34.pyc'
import 'encodings.aliases' # <_frozen_importlib.SourceFileLoader object at 0x1003f2da0>
import 'encodings' # <_frozen_importlib.SourceFileLoader object at 0x1003ddcf8>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/__pycache__/utf_8.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/utf_8.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/__pycache__/utf_8.cpython-34.pyc'
import 'encodings.utf_8' # <_frozen_importlib.SourceFileLoader object at 0x10062aa90>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/__pycache__/latin_1.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/latin_1.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/__pycache__/latin_1.cpython-34.pyc'
import 'encodings.latin_1' # <_frozen_importlib.SourceFileLoader object at 0x100630588>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/io.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/io.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/io.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/abc.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/abc.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/abc.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_weakrefset.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_weakrefset.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_weakrefset.cpython-34.pyc'
import '_weakrefset' # <_frozen_importlib.SourceFileLoader object at 0x100636278>
import 'abc' # <_frozen_importlib.SourceFileLoader object at 0x100630a20>
import 'io' # <_frozen_importlib.SourceFileLoader object at 0x100630780>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/site.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/site.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/os.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/os.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/os.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/stat.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/stat.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/stat.cpython-34.pyc'
import 'stat' # <_frozen_importlib.SourceFileLoader object at 0x100656160>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/posixpath.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/posixpath.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/posixpath.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/genericpath.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/genericpath.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/genericpath.cpython-34.pyc'
import 'genericpath' # <_frozen_importlib.SourceFileLoader object at 0x10065ca20>
import 'posixpath' # <_frozen_importlib.SourceFileLoader object at 0x1006563c8>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_collections_abc.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_collections_abc.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_collections_abc.cpython-34.pyc'
import '_collections_abc' # <_frozen_importlib.SourceFileLoader object at 0x10065c940>
import 'os' # <_frozen_importlib.SourceFileLoader object at 0x100645f98>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_sitebuiltins.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_sitebuiltins.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_sitebuiltins.cpython-34.pyc'
import '_sitebuiltins' # <_frozen_importlib.SourceFileLoader object at 0x100655128>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/sysconfig.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/sysconfig.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/sysconfig.cpython-34.pyc'
import 'sysconfig' # <_frozen_importlib.SourceFileLoader object at 0x1006f1dd8>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_sysconfigdata.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_sysconfigdata.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_sysconfigdata.cpython-34.pyc'
import '_sysconfigdata' # <_frozen_importlib.SourceFileLoader object at 0x1006fa630>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_osx_support.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_osx_support.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_osx_support.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/re.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/re.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/re.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/sre_compile.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/sre_compile.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/sre_compile.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/sre_parse.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/sre_parse.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/sre_parse.cpython-34.pyc'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/sre_constants.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/sre_constants.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/sre_constants.cpython-34.pyc'
import 'sre_constants' # <_frozen_importlib.SourceFileLoader object at 0x100721eb8>
import 'sre_parse' # <_frozen_importlib.SourceFileLoader object at 0x100719588>
import 'sre_compile' # <_frozen_importlib.SourceFileLoader object at 0x100713550>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/copyreg.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/copyreg.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/copyreg.cpython-34.pyc'
import 'copyreg' # <_frozen_importlib.SourceFileLoader object at 0x1007285c0>
import 're' # <_frozen_importlib.SourceFileLoader object at 0x10070f630>
import '_osx_support' # <_frozen_importlib.SourceFileLoader object at 0x100709780>
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_bootlocale.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_bootlocale.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/_bootlocale.cpython-34.pyc'
import '_bootlocale' # <_frozen_importlib.SourceFileLoader object at 0x10070f550>
import 'site' # <_frozen_importlib.SourceFileLoader object at 0x10063bb00>
Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 00:54:21) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
# extension module loaded from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/lib-dynload/readline.so'
# /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/rlcompleter.cpython-34.pyc matches /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/rlcompleter.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/__pycache__/rlcompleter.cpython-34.pyc'
import 'rlcompleter' # <_frozen_importlib.SourceFileLoader object at 0x10073a518>
>>> 

import _freezed _importlib#freezed
导入imp#内置
导入系统内置
#安装zipimport挂钩
#已安装的zipimport挂钩
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/\uuuuu-pycache\uuuuu/\uu-init\uuu.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/\uuu-init\uuuuuu.py.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/\uuuuuu pycache\uuuuuu/\uuuuu init\uuuu.cpython-34.pyc”的代码对象
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uu-pycache\uu/codecs.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/codecs.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_-pycache__/codecs.cpython-34.pyc”的代码对象
导入“编解码器”#
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings//uuuu-pycache\uuu/aliases.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/aliases.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/\uuuu pycache\uuuu/aliases.cpython-34.pyc”的代码对象
导入“编码.别名”#
导入“编码”#
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings//uuuu-pycache\uu/utf\u 8.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/utf\u 8.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/\uuuuu-pycache\uuuuu/utf\u8.cpython-34.pyc”的代码对象
导入“encodings.utf_8”#
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings//uuuu-pycache\uuu/latin\u 1.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/latin\u 1.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/encodings/\uuuuuuu pycache\uuuuuu/latin\u1.cpython-34.pyc”的代码对象
导入“encodings.latin#1”
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uuu-pycache\uuu/io.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/io.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/\uuuu-pycache\uuuuu/io.cpython-34.pyc”的代码对象
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uuu-pycache\uuu/abc.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/abc.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/\uuuuu-pycache\uuuuu/abc.cpython-34.pyc”的代码对象
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uu-pycache//uu-weakrefset.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//u-weakrefset.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/\uuuuu-pycache\uuuuu/\uweakrefset.cpython-34.pyc”的代码对象
输入“weakrefset”
导入“abc”#
导入“io”#
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uuu-pycache\uu/site.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_-pycache__/site.cpython-34.pyc”的代码对象
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uuu-pycache\uuu/os.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/os.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/\uuuu-pycache\uuuuu/os.cpython-34.pyc”的代码对象
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uu-pycache\uu/stat.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/stat.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/\uuuuuupycache\uuuuuuu/stat.cpython-34.pyc”的代码对象
导入“stat”#
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uuu-pycache\uu/posixpath.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/posixpath.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_-pycache__/posixpath.cpython-34.pyc”的代码对象
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uuu-pycache\uu/genericpath.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/genericpath.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/_-pycache__/genericpath.cpython-34.pyc”的代码对象
导入“genericpath”#
导入“posixpath”#
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uuu-pycache//uu-collections\u-abc.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4//u-collections\u-abc.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/\uuuuuu pycache\uuuuuu/\u collections\u abc.cpython-34.pyc”的代码对象
导入“_collections_abc”#
导入“os”#
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uu-pycache//uu-sitebuiltins.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4//u-sitebuiltins.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/\uuuu-pycache\uuuu/\u-sitebuiltins.cpython-34.pyc”的代码对象
导入“_sitebuiltins”#
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uuu-pycache\uu/sysconfig.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/sysconfig.py
#来自“/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/\uuuu-pycache\uuuu/sysconfig.cpython-34.pyc”的代码对象
导入'sysconfig'#
#/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4//uu-pycache//uu-sysconfigdata.cpython-34.pyc matches/Library/Frameworks/Python.framework/Versions/3.4//u-sysconfigdata.py
#“/Library/Fr”中的代码对象
#PYTHON
export PATH=/Library/Frameworks/Python.framework/Versions/2.7/bin/:$PATH
export PATH=/Library/Frameworks/Python.framework/Versions/3.3/bin/:$PATH