Problem description ： stay anaconda Has been installed before python2.7, For development . Now I want to install anaconda（python3.6）, And use TensorFlow. install anaconda There's nothing wrong with it , but cmd The input python, The discovery is the same as before python2.7. Try to anaconda In the catalog python.exe Change it to python3.exe, Has led to jupyter-notebook、Spyder Start flash back .
terms of settlement ：anaconda Do not move the installation directory . take python2.7 In the catalog python.exe Change it to python2.exe, such cmd The input python.exe The default is python3.6, Use python2.7 Need to enter python2.
pip install ： If you want to be in python3.6 Use in pip Install a python Bag under , Such as TensorFlow, Use this command ：python -m pip install tensorflow
Similarly, if you want to python2.7 The next installation package will cover the previous python Change it to python2
