How to sort keys of dict by values?

Question

I have a dict {\'a\': 2, \'b\': 0, \'c\': 1}.

Need to sort keys by values so that I can get a list [\'b\', \'c\', \'a\']

Is there a

Answer 1

>>> d = {'a':2, 'b':0, 'c':1}
>>> sor = sorted(d.items(), key=lambda x: x[1])
>>> sor
[('b', 0), ('c', 1), ('a', 2)]
>>> for i in sor:
...     print i[0]
...
b  
c 
a