Implementing multiple versions of Python coexistence in anaconda

2. Check the Conda version

   Under CMD in Windows, enter

   Conda--version

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   One of the native Anaconda comes with the Python3.6 version.

   
   

4. Create an environment named Python27 in Conda and download the corresponding version of Python2.7

   cmd input

   conda Create--name python27 python=2.7 

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6. Activation python27

   cmd enter

    activate python27 

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8. cmd enter

     Conda install spyder 

   
   

10. Download Jupter notebook

    cmd enter

     conda install jupyter 

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12. Open the envs\python27\scripts folder in the Anaconda3 installation directory and find Spyder.exe is the Spyder for Python2.7.

    ：

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14. When writing Python3, open the Python3.6 Spyder and open the Python2.7 Spyder when writing Python2.

    
    

    
    

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Implementing multiple versions of Python coexistence in anaconda