Как сменить «>>>» на «In[x] Out[x]»?
Запусти ipythonPython 2.7.12 (default, Dec 19 2016, 15:11:02) [MSC v.1500 32 bit (Intel)]
Type "copyright", "credits" or "license" for more information.

IPython 5.7.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: 1+1
Out[1]: 2

In [2]:
Установи анаконду.