<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def _merge_dicts(*args):
    '''
    Shallow copy and merge dicts together, giving precedence to last in.
    '''
    ret = dict()
    for arg in args:
        ret.update(arg)
    return ret