concatinating two DataFrames without NaN in python

Question

I have two dataframes,

df_temp,
       Age  Name    city
   0    1   Pechi   checnnai
   1    2   Sri     pune

df_po

        po
   0    er
   1    ty

I tried pd.concat([df_temp,df_po])

 df_temp=pd.concat([df_temp,df_po],ignore_index=True)

I am getting

        Age Name    city        po
   0    1.0 Pechi   checnnai    NaN
   1    2.0 Sri     pune        NaN
   2    NaN NaN     NaN         er
   3    NaN NaN     NaN         ty

but my desired output is,

        Age Name    city        po
   0    1.0 Pechi   checnnai    er
   1    2.0 Sri     pune        ty

Answer 1

Need axis=1 for columns concatenate , because default is axis=0 (index concatenate) in concat:

df_temp=pd.concat([df_temp,df_po],axis=1)
print (df_temp)
   Age   Name      city  po
0    1  Pechi  checnnai  er
1    2    Sri      pune  ty

Alternative solution with DataFrame.join:

df_temp=df_temp.join(df_po)
print (df_temp)
   Age   Name      city  po
0    1  Pechi  checnnai  er
1    2    Sri      pune  ty