pandas combine multiple dataframes different index code example
Example 1: 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)
Example 2: pandas combine two data frames with same index and same columns
pd.merge(df1, df2, left_index=True, right_index=True, how='outer')