<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():
 """Returns a string representation of the current SDK version."""

    if isinstance(VERSION[-1], str):
        return '.'.join(map(str, VERSION[:-1])) + VERSION[-1]
    return '.'.join(map(str, VERSION))