Microsoft Windows [版本 10.0.14393](c) 2016 Microsoft Corporation。保留所有权利。C:\Windows\system32>python -m pip install --upgrade pipCollecting pip  Using cached pip-9.0.1-py2.py3-none-any.whlInstalling collected packages: pip  Found existing installation: pip 8.1.2    Uninstalling pip-8.1.2:      Successfully uninstalled pip-8.1.2Successfully installed pip-9.0.1C:\Windows\system32>pip install pymongoCollecting pymongo  Using cached pymongo-3.4.0-cp27-none-win_amd64.whlInstalling collected packages: pymongoSuccessfully installed pymongo-3.4.0C:\Windows\system32>pip install pymysqlCollecting pymysql  Downloading PyMySQL-0.7.10-py2.py3-none-any.whl (78kB)    100% |████████████████████████████████| 81kB 188kB/sInstalling collected packages: pymysqlSuccessfully installed pymysql-0.7.10C:\Windows\system32>pip install pyparsingCollecting pyparsing  Downloading pyparsing-2.2.0-py2.py3-none-any.whl (56kB)    100% |████████████████████████████████| 61kB 367kB/sInstalling collected packages: pyparsingSuccessfully installed pyparsing-2.2.0C:\Windows\system32>pip uninstall pyparsingUninstalling pyparsing-2.2.0:  c:\program files\miniconda2\lib\site-packages\pyparsing-2.2.0.dist-info\description.rst  c:\program files\miniconda2\lib\site-packages\pyparsing-2.2.0.dist-info\installer  c:\program files\miniconda2\lib\site-packages\pyparsing-2.2.0.dist-info\metadata  c:\program files\miniconda2\lib\site-packages\pyparsing-2.2.0.dist-info\metadata.json  c:\program files\miniconda2\lib\site-packages\pyparsing-2.2.0.dist-info\record  c:\program files\miniconda2\lib\site-packages\pyparsing-2.2.0.dist-info\top_level.txt  c:\program files\miniconda2\lib\site-packages\pyparsing-2.2.0.dist-info\wheel  c:\program files\miniconda2\lib\site-packages\pyparsing.py  c:\program files\miniconda2\lib\site-packages\pyparsing.pycProceed (y/n)? y  Successfully uninstalled pyparsing-2.2.0C:\Windows\system32>pip install pyparsing==2.1.4Collecting pyparsing==2.1.4  Downloading pyparsing-2.1.4-py2.py3-none-any.whl (40kB)    100% |████████████████████████████████| 40kB 201kB/sInstalling collected packages: pyparsingSuccessfully installed pyparsing-2.1.4C:\Windows\system32>pythonPython 2.7.12 |Continuum Analytics, Inc.| (default, Jun 29 2016, 11:07:13) [MSC v.1500 64 bit (AMD64)] on win32Type "help", "copyright", "credits" or "license" for more information.Anaconda is brought to you by Continuum Analytics.Please check out: http://continuum.io/thanks and https://anaconda.org>>> exit()C:\Windows\system32>python3‘python3‘ 不是内部或外部命令，也不是可运行的程序或批处理文件。C:\Windows\system32>conda search --full --name pythonCondaEnvironmentNotFoundError: Could not find environment: python .You can list all discoverable environments with `conda info --envs`.C:\Windows\system32>conda info -e# conda environments:#root                  *  C:\Program Files\Miniconda2C:\Windows\system32>python --versionPython 2.7.12 :: Continuum Analytics, Inc.C:\Windows\system32>conda create -n snakes python=3Fetching package metadata .........Solving package specifications: ..........Package plan for installation in environment C:\Program Files\Miniconda2\envs\snakes:The following packages will be downloaded:    package                    |            build    ---------------------------|-----------------    vs2015_runtime-14.0.25123  |                0         1.9 MB    python-3.6.1               |                0        31.5 MB    setuptools-27.2.0          |           py36_1         758 KB    wheel-0.29.0               |           py36_0         129 KB    pip-9.0.1                  |           py36_1         1.7 MB    ------------------------------------------------------------                                           Total:        35.9 MBThe following NEW packages will be INSTALLED:    pip:            9.0.1-py36_1    python:         3.6.1-0    setuptools:     27.2.0-py36_1    vs2015_runtime: 14.0.25123-0    wheel:          0.29.0-py36_0Proceed ([y]/n)? yFetching packages ...vs2015_runtime 100% |###############################| Time: 0:00:04 440.02 kB/spython-3.6.1-0 100% |###############################| Time: 0:00:48 679.67 kB/ssetuptools-27. 100% |###############################| Time: 0:00:01 552.33 kB/swheel-0.29.0-p 100% |###############################| Time: 0:00:00 176.50 kB/spip-9.0.1-py36 100% |###############################| Time: 0:00:01   1.11 MB/sExtracting packages ...[      COMPLETE      ]|##################################################| 100%Linking packages ...[      COMPLETE      ]|##################################################| 100%## To activate this environment, use:# > activate snakes## To deactivate this environment, use:# > deactivate snakes## * for power-users using bash, you must source#C:\Windows\system32>python --versionPython 2.7.12 :: Continuum Analytics, Inc.C:\Windows\system32>activate snakes(snakes) C:\Windows\system32>python --versionPython 3.6.1 :: Continuum Analytics, Inc.(snakes) C:\Windows\system32>pythonPython 3.6.1 |Continuum Analytics, Inc.| (default, Mar 22 2017, 20:11:04) [MSC v.1900 64 bit (AMD64)] on win32Type "help", "copyright", "credits" or "license" for more information.>>> import pymongoTraceback (most recent call last):  File "<stdin>", line 1, in <module>ModuleNotFoundError: No module named ‘pymongo‘>>> exitUse exit() or Ctrl-Z plus Return to exit>>> exit()(snakes) C:\Windows\system32>pip install pymongoCollecting pymongo  Downloading pymongo-3.4.0.tar.gz (583kB)    100% |████████████████████████████████| 583kB 137kB/sBuilding wheels for collected packages: pymongo  Running setup.py bdist_wheel for pymongo ... done  Stored in directory: C:\Users\yzh\AppData\Local\pip\Cache\wheels\41\12\7b\8a5763b32bbea5d7bca33dfbdb4740541ef17f5ca3f22b3be9Successfully built pymongoInstalling collected packages: pymongoSuccessfully installed pymongo-3.4.0(snakes) C:\Windows\system32>pip install pymysqlCollecting pymysql  Using cached PyMySQL-0.7.10-py2.py3-none-any.whlInstalling collected packages: pymysqlSuccessfully installed pymysql-0.7.10(snakes) C:\Windows\system32>pip install pyparsingCollecting pyparsing  Using cached pyparsing-2.2.0-py2.py3-none-any.whlInstalling collected packages: pyparsingSuccessfully installed pyparsing-2.2.0(snakes) C:\Windows\system32>pythonPython 3.6.1 |Continuum Analytics, Inc.| (default, Mar 22 2017, 20:11:04) [MSC v.1900 64 bit (AMD64)] on win32Type "help", "copyright", "credits" or "license" for more information.>>> from pyparsing import unichr>>> exit()(snakes) C:\Windows\system32>pip install pastCollecting past  Could not find a version that satisfies the requirement past (from versions: )No matching distribution found for past(snakes) C:\Windows\system32>pip install webencodingsCollecting webencodings  Downloading webencodings-0.5.tar.gzBuilding wheels for collected packages: webencodings  Running setup.py bdist_wheel for webencodings ... done  Stored in directory: C:\Users\yzh\AppData\Local\pip\Cache\wheels\0a\73\c2\1dcc99951b6aeac495e7695505d1837616ca194938f07d1d7bSuccessfully built webencodingsInstalling collected packages: webencodingsSuccessfully installed webencodings-0.5(snakes) C:\Windows\system32>pip install sixCollecting six  Downloading six-1.10.0-py2.py3-none-any.whlInstalling collected packages: sixSuccessfully installed six-1.10.0(snakes) C:\Windows\system32>anaconda search -t conda past‘anaconda‘ 不是内部或外部命令，也不是可运行的程序或批处理文件。(snakes) C:\Windows\system32>conda search -t conda pastusage: conda-script.py [-h] [-V] command ...conda-script.py: error: unrecognized arguments: -t past(snakes) C:\Windows\system32>disactivate snakes‘disactivate‘ 不是内部或外部命令，也不是可运行的程序或批处理文件。(snakes) C:\Windows\system32>pythonPython 3.6.1 |Continuum Analytics, Inc.| (default, Mar 22 2017, 20:11:04) [MSC v.1900 64 bit (AMD64)] on win32Type "help", "copyright", "credits" or "license" for more information.>>> exit()(snakes) C:\Windows\system32>pip install pasteCollecting paste  Downloading Paste-2.0.3-py34-none-any.whl (625kB)    100% |████████████████████████████████| 634kB 549kB/sRequirement already satisfied: six>=1.4.0 in c:\program files\miniconda2\envs\snakes\lib\site-packages (from paste)Installing collected packages: pasteSuccessfully installed paste-2.0.3(snakes) C:\Windows\system32>pip install pastCollecting past  Could not find a version that satisfies the requirement past (from versions: )No matching distribution found for past(snakes) C:\Windows\system32>pip install futureCollecting future  Downloading future-0.16.0.tar.gz (824kB)    100% |████████████████████████████████| 829kB 427kB/sBuilding wheels for collected packages: future  Running setup.py bdist_wheel for future ... done  Stored in directory: C:\Users\yzh\AppData\Local\pip\Cache\wheels\c2\50\7c\0d83b4baac4f63ff7a765bd16390d2ab43c93587fac9d6017aSuccessfully built futureInstalling collected packages: futureSuccessfully installed future-0.16.0(snakes) C:\Windows\system32>