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  1. dict1 = {'1':'foo', '2':'bar', '3':'spam','4':'bar'}
  2. dict2 = {}
  3.  
  4. for k, v in dict1.iteritems():
  5.     print dict2.keys(), v
  6.     if v not in dict2.keys():
  7.         print "adding %s to dict2" % v
  8.         dict2[v] = "whatever"
  9.  
  10.     else:
  11.         print "Repeated: ",v
  12.  
  13. print dict2
Success #stdin #stdout 0.01s 7728KB
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stdin
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Standard input is empty
stdout
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[] foo
adding foo to dict2
['foo'] spam
adding spam to dict2
['foo', 'spam'] bar
adding bar to dict2
['foo', 'bar', 'spam'] bar
Repeated:  bar
{'foo': 'whatever', 'bar': 'whatever', 'spam': 'whatever'}
https://ideone.com/8fvF5n
language:
Python (cpython 2.7.16)
created:
10 years ago
visibility:
public

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