merge two columns into one pandas code example

Example 1: python merge strings in columns

df["period"] = df["Year"].astype(str) + df["quarter"]

Example 2: merge two dataframes based on column

df_outer = pd.merge(df1, df2, on='id', how='outer')

df_outer

Example 3: add two column values of a datframe into one

df["period"] = df["Year"] + df["quarter"]

Example 4: how to merge two column pandas

DataFrame["new_column"] = DataFrame["column1"] + DataFrame["column2"]