Trying tcompile an use the Python 3.4a

[Ferrous Cranus]

$ mkdir temp
$ cd temp
$ wget http://www.python.org/ftp/python/3.4/Python-3.4.tar.bz2
$ tar -xjvf Python-3.4.tar.bz2
$ cd Python-3.3.2
$ ./configure
$ make && make test
$ su
# make install
# exit
$ $ cd ../ && rm -rf Python-3.4


root at secure [/home/nikos/www/cgi-bin]# python3 -V
Python 3.4.0a4


can yu please tell me where python 3.4a was placed in the system?

i tried

#!/usr/bin/python3
#!/usr/local/bin/python3

and also is there a way to call it like #!/usr/bin/python

i know it can be done via ln 0s but i have to know where the newest 
python got installed.

Thank you.