pandas merge multiple dataframes
import pandas as pd
from functools import reduce
# compile the list of dataframes you want to merge
data_frames = [df1, df2, df3]
df_merged = reduce(lambda left,right: pd.merge(left,right,on=['key_col'],
how='outer'), data_frames)how to merge two pandas dataframes on a column
import pandas as pd
T1 = pd.merge(T1, T2, on=T1.index, how='outer')python dataframe left join
>>> left.merge(right, on='user_id', how='left')how to merge two column pandas
DataFrame["new_column"] = DataFrame["column1"] + DataFrame["column2"]Copyright © 2021 Codeinu
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