MAC Upgrade python2.7 to 3.5

 

MAC system OSX 10.12 or more

1th Step: Download Python3.5

As follows:

Python3.5

Step Two: Install Python 3.50

Click on the downloaded pkg file for installation and after installation, the default installation path for Python 3.50 is as follows:

Step three: Modify the profile file

Add an alias directly to the. Profile. If your terminal is running a shell that is bash (the default), you can modify ~/.bash_profile and add:

Then restart the terminal or directly

# Setting PATH for Python 3.5

# The original version is saved in. bash_profile.pysave

Export path=$PATH:/library/frameworks/python.framework/versions/3.5/bin:

Alias python= "/library/frameworks/python.framework/versions/3.5/bin/python3. " 5"

Fourth step: Python 2.70 and Python 3.50 switch

Use Python 2.70: note aliaspython= "/library/frameworks/python.framework/versions/3.5/bin/python3. " 5"

Use Python 3.50: Open aliaspython= "/library/frameworks/python.framework/versions/3.5/bin/python3. " 5"

Fifth Step: Verify

Enter Python directly in the terminal to display the version number

MAC Upgrade python2.7 to 3.5