<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def fast_deepcopy(obj):
 """This is a faster implementation of deepcopy via pickle. It is meant primarily for sets of Statements with complex hierarchies but can be used for any object. """

    with BytesIO() as buf:
        pickle.dump(obj, buf)
        buf.seek(0)
        obj_new = pickle.load(buf)
    return obj_new