#!/usr/bin/env python
# -*- coding: UTF-8 -*-

from __future__ import print_function, division

print("Content-Type: text/html")  # HTML is following.
print()  # Blank line, end of headers.

print("testing")

#!/usr/bin/env python3
# -*- coding: UTF-8 -*-

print("Content-Type: text/html")  # HTML is following.
print()  # Blank line, end of headers.

print("testing")

env: python3: No such file or directory
Premature end of script headers: test_cgi.py

/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin

/usr/bin/python
/usr/bin/python-config
/usr/bin/python2.5 -> ../../System/Library/Frameworks/Python.framework/Versions/2.5/bin/python2.5
/usr/bin/python2.5-config -> ../../System/Library/Frameworks/Python.framework/Versions/2.5/bin/python2.5-config
/usr/bin/python2.6 -> ../../System/Library/Frameworks/Python.framework/Versions/2.6/bin/python2.6
/usr/bin/python2.6-config -> ../../System/Library/Frameworks/Python.framework/Versions/2.6/bin/python2.6-config
/usr/bin/python2.7 -> ../../System/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7
/usr/bin/python2.7-config -> ../../System/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7-config
/usr/bin/pythonw
/usr/bin/pythonw2.5 -> ../../System/Library/Frameworks/Python.framework/Versions/2.5/bin/pythonw2.5
/usr/bin/pythonw2.6 -> ../../System/Library/Frameworks/Python.framework/Versions/2.6/bin/pythonw2.6
/usr/bin/pythonw2.7 -> ../../System/Library/Frameworks/Python.framework/Versions/2.7/bin/pythonw2.7

/usr/local/bin/python3 -> ../Cellar/python3/3.3.3/bin/python3
/usr/local/bin/python3.3 -> ../Cellar/python3/3.3.3/bin/python3.3
/usr/local/bin/python3.3-config -> ../Cellar/python3/3.3.3/bin/python3.3-config
/usr/local/bin/pythonw3.3 -> ../Cellar/python3/3.3.3/bin/pythonw3.3