Python 3 Backwards Compatibility Script (Alpha)

import sys
"""This wrapper is intended to reduce compatibility issues when running Python 3 code in Python 2. However, it is far from perfect. Either rewriting your code, or switching to a newer version of Python, is strongly recommended."""

if sys.version_info[0] != 2:
    """Executes the following code if the user is running Python 3."""
    def raw_input():
        """This definition is included so that the version check below doesn't kill the program."""
        return input()
    def long():
        return int()
    def intern():
        return sys.intern()

if sys.version_info[0] != 3:
    """Executes the following code if the user is running Python 2."""
    raw_input("Incompatible Python version detected. Please switch to Python 3.6 before running this program, or crashes may occur.")
    def int():
        return long()
    #exit