I need values from one data frame to another data frame in python pandas based on column name

Question

Example df1

Abc   Def  GHI  JKL
a     23    e    h
b     24    g    h
c     27    h    k
d     34    f    j

df2

Abc   XYZ  
a     23   
b     24   
c     27   
d     34   
e     54    
f     32    
g     21    

I need output like this

Abc   Def  GHI  JKL   XYZ
a     23    e    h     23
b     24    g    h     24
c     27    h    k     27
d     34    f    j     34

Answer 1

df.merge
out = (df1.merge(df2, left_on='Def', right_on='Xyz')
          .reindex(columns=['Abc', 'Def', 'Ghi', 'Jkl' , 'Xyz']))
print(out)