john@john-laptop:~$ python /home/john/test.py
python: can't open file '/home/john/test.py': [Errno 2] No such file or directory
john@john-laptop:~$ ls -l /home/john/
total 1100
drwxr-xr-x 2 john john   4096 2006-10-04 14:30 2006-09-21--09.55.00
-rw-r--r-- 1 john john   1292 2006-09-20 15:14 Address book jaytee
-rw-r--r-- 1 john john   1473 2006-09-19 03:22 Address book jaytee~
-rw-r--r-- 1 john john   3121 2006-10-13 13:56 Ati video drivers
-rw-r--r-- 1 john john  25228 2006-09-20 10:21 ATT000071.gif
drwxr-xr-x 2 john john   4096 2006-10-04 06:10 au-speakingunix3_files
-rw-r--r-- 1 john john  62839 2006-10-04 06:10 au-speakingunix3.html
drwxr-xr-x 2 john john   4096 2006-10-21 13:23 beta_is_live_files
-rw-r--r-- 1 john john 226312 2006-10-21 13:23 beta_is_live.html
-rw-r--r-- 1 john john  32496 2006-09-21 07:28 clear net msg.php
-rw-r--r-- 1 john john  10790 2006-10-09 13:03 computer store.odt
drwxr-xr-x 2 john john   4096 2006-09-04 13:11 Desktop
-rw-r--r-- 1 john john     38 2006-09-26 06:20 dir.ff
drwxr-xr-x 2 john john   4096 2006-10-26 08:54 downloads
drwxr-xr-x 5 john john   4096 2006-08-02 14:22 easyubuntu
lrwxrwxrwx 1 john john     26 2006-08-02 12:49 Examples -> /usr/share/example-content
-rw-r--r-- 1 john john   1989 2006-10-05 13:33 glxinfo txt
-rw-r--r-- 1 john john   1934 2006-10-05 13:21 glxinfo txt~
-rw-r--r-- 1 john john  15623 2006-09-20 14:40 GnomeNotes
drwxr-xr-x 2 john john   4096 2006-11-06 12:38 instant-python.php_files
-rw-r--r-- 1 john john  36921 2006-11-06 12:38 instant-python.php.htm
-rw-r--r-- 1 john john    364 2006-10-13 13:27 Keith number
drwxr-xr-x 2 john john   4096 2006-10-26 08:49 linuxsispart4_files
-rw-r--r-- 1 john john  58427 2006-10-26 08:49 linuxsispart4.shtml
drwxr-xr-x 2 john john   4096 2006-10-24 04:43 Old John
-rw-r--r-- 1 john john  11555 2006-11-06 12:38 Practical Python
drwxr-xr-x 2 john john   4096 2006-11-06 12:38 Practical Python_files
drwxr-xr-x 2 john john   4096 2006-10-31 08:55 Quartsite,az
-rw-r--r-- 1 john john  12948 2006-09-14 04:51 Raph Varney.odt
drwxr-xr-x 2 john john   4096 2006-10-24 04:42 Roxy
-rw-r--r-- 1 john john   6874 2006-10-24 05:09 Sandbox with spell checker.odt
drwxr-xr-x 2 john john   4096 2006-10-21 13:43 shuttleworth2_files
-rw-r--r-- 1 john john  36982 2006-10-21 13:43 shuttleworth2.html
-rw-r--r-- 1 john john 295160 2006-10-26 08:48 sis_drv.o_xorg_6.9.0_gcc4_290906-1.tar.gz
-rw-r--r-- 1 john john  61560 2006-10-24 11:39 Speaking UNIX, Part 4: UNIX ownership and permissions provide for privacy and participation
drwxr-xr-x 2 john john   4096 2006-10-24 11:39 Speaking UNIX, Part 4: UNIX ownership and permissions provide for privacy and participation_files
-rw-r--r-- 1 john john     72 2006-11-06 12:15 test
-rw-r--r-- 1 john john     94 2006-11-08 09:19 test.py
-rw-r--r-- 1 john john     93 2006-11-08 08:45 test.py ~
-rw-r--r-- 1 john john   3061 2006-10-21 14:57 #ubuntu-nz-2006-10-21-14h57.log
-rw-r--r-- 1 john john   1461 2006-10-24 12:14 #ubuntu-nz-2006-10-24-12h14.log
-rw-r--r-- 1 john john   1705 2006-11-06 12:08 #ubuntu-nz-2006-11-06-12h07.log
drwxr-xr-x 4 john john   4096 2006-08-27 11:29 Ubuntu stuff
-rw-r--r-- 1 john john   3308 2006-10-16 17:39 Unsaved Document 1
-rw-r--r-- 1 john john   4122 2006-10-16 06:28 Unsaved Document 1~
-rw-r--r-- 1 john john  48883 2006-10-04 06:11 wifi for ubuntu
john@john-laptop:~$