<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def normpath(path):
 """Normalize UNIX path to a native path."""

    normalized = os.path.join(*path.split("/"))
    if os.path.isabs(path):
        return os.path.abspath("/") + normalized
    else:
        return normalized