1d = {'dict1': {'foo': 1, 'bar': 2}, 'dict2': {'baz': 3, 'quux': 4}}
2
3for i in d.keys():
4 print(i)
5 for j in d[i].keys():
6 print(j)
1a_dict = {'apple':'red', 'grass':'green', 'sky':'blue'}
2for key in a_dict:
3 print key # for the keys
4 print a_dict[key] # for the values
1#iterate the dict by keys
2for key in a_dict:
3 print(key)
4#iterate the dict by items - (key,value)
5for item in a_dict.items():
6 print(item)
7#iterate the dict by values
8for value in a_dict.values():
9 print(value)