Question: 1 point possible ( ungraded ) Consider the dataframe: df = pd . DataFrame ( { ' a ' : [ 1 , 2 ,

1 point possible (ungraded)
Consider the dataframe: df=pd.DataFrame({'a': [1,2,1],?'b':[1,1,1]
What type does the following return: df ['a'
1 point possible (ungraded) Consider the dataframe: df=pd.DataFrame({'a': [1,2,1],?'b':[1,1,1] What type

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