Answers for "how to add two dataframes in python"

combining 2 dataframes pandas

df_3 = pd.concat([df_1, df_2])

append two dataframes pandas

import pandas as pd

# First DataFrame
df1 = pd.DataFrame({'id': ['A01', 'A02', 'A03', 'A04'],
                    'Name': ['ABC', 'PQR', 'DEF', 'GHI']})
  
# Second DataFrame
df2 = pd.DataFrame({'id': ['B05', 'B06', 'B07', 'B08'],
                    'Name': ['XYZ', 'TUV', 'MNO', 'JKL']})
  
frames = [df1, df2]
  
result = pd.concat(frames)

how to merge two dataframes

df_merge_col = pd.merge(df_row, df3, on='id')

df_merge_col

combine two dataframe in pandas

# Stack the DataFrames on top of each other
vertical_stack = pd.concat([survey_sub, survey_sub_last10], axis=0)

# Place the DataFrames side by side
horizontal_stack = pd.concat([survey_sub, survey_sub_last10], axis=1)

how to merge more than 2 dataframes in python

df = pd.concat( [df1,df2,df3], ignore_index=True )

how to merge two pandas dataframes on a column

import pandas as pd
T1 = pd.merge(T1, T2, on=T1.index, how='outer')