pandas difference between two dataframes

1diff_df = pd.merge(df1, df2, how='outer', indicator='Exist')
2
3diff_df = diff_df.loc[diff_df['Exist'] != 'both']

1source_df.merge(target_df,how='left',indicator=True).loc[lambda x:x['_merged']!='both']

1# by doing outer, you will get records from both the sides.
2f = df1.merge(df2,indicator = True, how='outer').loc[lambda x : x['_merge']!='both']
3Out[421]: 
4   A  B     _merge
51  2  3  left_only
62  3  4  left_only
73  3  4  left_only
8
9left_unique_result = f.loc[lambda x: x['_merge'] == 'left_only']
10right_unique_result = f.loc[lambda x: x['_merge'] == 'right_only']

1df1.merge(df2,indicator = True, how='left').loc[lambda x : x['_merge']!='both']
2Out[421]: 
3   A  B     _merge
41  2  3  left_only
52  3  4  left_only
63  3  4  left_only
7