concat by column pandas code example

Example 1: concat dataframe from list of dataframe

import pandas as pd
df = pd.concat(list_of_dataframes)

Example 2: 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)