<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_version(full=False):
 """ Returns a string-ified version number. Optionally accepts a ``full`` parameter, which if ``True``, will include any pre-release information. (Default: ``False``) """

    version = '.'.join([str(bit) for bit in __version__[:3]])

    if full:
        version = '-'.join([version] + list(__version__[3:]))

    return version