Question: Given the following code: d = { ' a ' : [ 0 , { 6 : 7 , 7 : 8 } ] ,

Given the following code:
d ={'a': [0,{6: 7,7: 8}],'b': 3,'c': {'1':1,'2': 2}}
Which expression can be used to evaluate to '7' from the following code?

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