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PO
primarykey
Id
2857480
data
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0
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0
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0
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CreationDate
2010-05-18T13:05:11.150
FavoriteCount
0
LastActivityDate
2010-05-18T13:05:11.150
LastEditDate
LastEditorUserId
0
OwnerUserId
190597
ParentId
2856675
PostTypeId
2
Score
2
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0
LastEditorDisplayName
text
Body
In Python variable names point at values. <code>x=y</code> tells Python that the variable name <code>x</code> should point at the value that <code>y</code> is currently pointing at. When you change <code>y</code>, then the variable name <code>y</code> points at a new value, while the variable name <code>x</code> still points at the old value. You can not achieve what you want with plain variable names. I like KennyTM's suggestion to define <code>x</code> as a function since it makes explicit that the value of <code>x</code> requires running some code (the lookup of the value of y). However, if you want to maintain a uniform syntax (making all the constants accessible in the same way), then you could use a class with properties (attributes which call getter and setter functions): Constants.py: <pre><code>class BunchOConstants(object): def __init__(self, **kwds): self.__dict__.update(kwds) @property def x(self): return self.y @x.setter def x(self,val): self.y=val const=BunchOConstants(y=10,z='foo') </code></pre> Your script.py: <pre><code>import Constants const=Constants.const print(const.y) # 10 print(const.x) # 10 </code></pre> Here you change the "constant" y: <pre><code>const.y='bar' </code></pre> And the "constant" x is changed too: <pre><code>print(const.x) # bar </code></pre> You can change <code>x</code> also, <pre><code>const.x='foo' </code></pre> and <code>y</code> too gets changed: <pre><code>print(const.y) # foo </code></pre>
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