Mutable Variables ( Alias vs Copy )

>>> hand = dealHand(5)
>>> hand
{'a': 1, 'x': 1, 'l': 1, 'd': 1, 'p': 1}
>>> handClone = hand.copy()
>>> handAlias = hand
>>> handAlias
{'a': 1, 'x': 1, 'l': 1, 'd': 1, 'p': 1}
>>> handAlias is hand
True
>>> handClone is hand
False
>>> hand == handAlias == handClone
True
>>> hand
{'a': 1, 'x': 1, 'l': 1, 'd': 1, 'p': 1}
>>> handAlias.clear()
>>> hand == handAlias == handClone
False
>>> hand
{}
>>> handAlias
{}
>>> handClone
{'a': 1, 'x': 1, 'l': 1, 'p': 1, 'd': 1}