concat pandas dataframes on column keys code example

Example 1: 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)

Example 2: pandas concat and reset index

train_df = pd.concat(train_class_df_list, ignore_index=True)