pandas join two columns code example
Example 1: join on column pandas
df1.merge(df2,on='columnName',how='left')
Example 2: pandas merge two columns from different dataframes
df_merge_col = pd.merge(df1, df2, on='id')
Example 3: merge two columns name in one header pandas
df['A'] = df[a_cols].apply(' '.join, axis=1)
Example 4: merge two columns pandas
df["period"] = df["Year"] + df["quarter"]
Example 5: how to join two dataframe in pandas based on two column
merged_df = left_df.merge(right_df, how='inner', left_on=["A", "B"], right_on=["A2","B2"])
Example 6: how to merge two column pandas
DataFrame["new_column"] = DataFrame["column1"] + DataFrame["column2"]