Pd merge on multiple columns

new_df = pd.merge(A_df, B_df,  how='left', left_on=['A_c1','c2'], right_on = ['B_c1','c2'])

Source: stackoverflow.com

Pandas merge two columns from different dataframes

#suppose you have two dataframes df1 and df2, and 
#you need to merge them along the column id
df_merge_col = pd.merge(df1, df2, on='id')

Take union of two dataframes pandas

m = {'left_only': 'df1', 'right_only': 'df2', 'both': 'df1, df2'}

result = df1.merge(df2, on=['A'], how='outer', indicator='B')
result['B'] = result['B'].map(m)

result

Source: stackoverflow.com

Similar codes

0 vote143 views1 answer
Merge two list of dictionaries python with string
Python
0 vote139 views1 answer
Highlighting the shortest path in a Networkx graph
Python
0 vote142 views1 answer
Serializer phonenumber field json
Python
2 votes172 views1 answer
Python gui capture user input
Python
0 vote138 views1 answer
Input function in django
Python
0 vote132 views1 answer
How to get the current url path in django template
Python
11 votes145 views2 answers
Pandas left join
Python
14 votes188 views2 answers
Django static files / templates
Python Django
0 vote134 views2 answers
Importerror: cannot import name
Python
0 vote139 views1 answer
Email python library get all messages
Python