python -m pip install pyreadline

#python Tab
import sys 
import readline 
import rlcompleter 
import atexit 
import os 
readline.parse_and_bind('tab: complete') 
# windows
histfile = os.path.join(os.environ['HOMEPATH'], '.pythonhistory') 
# linux
# histfile = os.path.join(os.environ['HOME'], '.pythonhistory') 
try: 
 readline.read_history_file(histfile) 
except IOError: 
 pass 
atexit.register(readline.write_history_file, histfile) 

del os, histfile, readline, rlcompleter 

python -2 -m pip install pyreadline