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POchanging value in nested dictionary python using class
 

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  1. POchanging value in nested dictionary python using class
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    <pre><code>class warehouse: def __init__(self): self.A={} self.B={} self.racks={'A':self.initialize(self.A),'B':self.initialize(self.B)} def initialize(self,rack): shelf = dict([ (items,0) for items in range(1,6) ]) for x in range(3): rack[x+1]=shelf return rack def store(self,_id,owner_id,colour,weigth): import pdb;pdb.set_trace() empty_position=self.empty_positions(self.store.__name__)[0] self.racks[empty_position[0]][empty_position[1]][empty_position[2]]= {'id':_id,'owner':owner_id,'colour':colour,'weigth':weigth} print self.racks def empty_positions(self,name): store_list=[] for rack,shelfs in self.racks.iteritems(): for shelf_number,shelf_objects in shelfs.iteritems(): store_list.append([rack,shelf_number]) for position,value in shelf_objects.iteritems(): if 0==value: store_list.append([rack,shelf_number,position]) return store_list obj=warehouse() val=obj.store(2,34,4,44) </code></pre> <p>It is a class warehouse I want to create a dictionary which I did by the calling the <strong>init</strong> methods of the class.Now I want to store some values into the nested dictionary using same instance of class warehouse.When I call the obj.store(2,34,4,44).It updates the dictionary and gimme the result.</p> <pre><code>{'A': {1: {1: {'colour': 4, 'id': 2, 'owner': 34, 'weigth': 44}, 2: 0, 3: 0, 4: 0, 5: 0}, 2: {1: {'colour': 4, 'id': 2, 'owner': 34, 'weigth': 44}, 2: 0, 3: 0, 4: 0, 5: 0}, 3: {1: {'colour': 4, 'id': 2, 'owner': 34, 'weigth': 44}, 2: 0, 3: 0, 4: 0, 5: 0}}, 'B': {1: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 2: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 3: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0} } } </code></pre> <p>But I was expecting :</p> <pre><code>{'A': {1: {1: {'colour': 4, 'id': 2, 'owner': 34, 'weigth': 44}, 2: 0, 3: 0, 4: 0, 5: 0}, 2: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 3: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}}, 'B': {1: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 2: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 3: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0} } } </code></pre> <p>It sets the value in all the other nested dictionary of key 'A' and 1 I try to put PDB and debuge it, but it is showing the same result. But If I do this operation in teminal then I get the result what I was expecting.</p> <pre><code>Python 2.6.6 (r266:84292, Sep 15 2010, 15:52:39) [GCC 4.4.5] on linux2 Type "help", "copyright", "credits" or "license" for more information. &gt;&gt;&gt; d={'A': {1: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 2: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 3: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}}, 'B': {1: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 2: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 3: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}}} &gt;&gt;&gt; d['A'][1][1]={"some_key":"some_value",} &gt;&gt;&gt; d {'A': {1: {1: {'some_key': 'some_value'}, 2: 0, 3: 0, 4: 0, 5: 0}, 2: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 3: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}}, 'B': {1: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 2: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}, 3: {1: 0, 2: 0, 3: 0, 4: 0, 5: 0}}} </code></pre> <p>I dont know maybe I am missing something, or there is something wrong that I am not able to catch up.I am using python 2.6.6 and tried this is 2.7.1 as well .</p>
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