remove python from terminal want to run again

hi

python

i remove python with terminal rm command

i want to install new version

but after download andinstall python version 2.7.10 on application folder i cannot access by terminal

here is the error

iMac-de-wilfried:~ user$ python

python: posix_spawn: /System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/C ontents/MacOS/Python: No such file or directory

iMac-de-wilfried:~ user$

thanks tohelp

i just star