How to find dropped data after using Pandas merge in python?

How to find dropped data after using Pandas merge in python?

My Dataframe looks like following.I am using Pandas merge function to merge two dataframes, and I am trying to find row that was dropped. Is there a way in Pandas or python to track this ?

My Dataframe looks like following.I am using Pandas merge function to merge two dataframes, and I am trying to find row that was dropped. Is there a way in Pandas or python to track this ?

df1=pd.DataFrame(({'Name':('A','B','C'),'Age':(34,23,90)}))
df2=pd.DataFrame(({'Name':('A','B','D'),'Add':('rt','ct','pt')}))
pd.merge(df1,df2,on='Name')


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