<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def byteorder_isnative(byteorder):
 """Return if byteorder matches the system's byteorder. True """

    if byteorder in ('=', sys.byteorder):
        return True
    keys = {'big': '>', 'little': '<'}
    return keys.get(byteorder, byteorder) == keys[sys.byteorder]