<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def omnihash(obj):
 """ recursively hash unhashable objects """

    if isinstance(obj, set):
        return hash(frozenset(omnihash(e) for e in obj))
    elif isinstance(obj, (tuple, list)):
        return hash(tuple(omnihash(e) for e in obj))
    elif isinstance(obj, dict):
        return hash(frozenset((k, omnihash(v)) for k, v in obj.items()))
    else:
        return hash(obj)