def add_names_column(my_df):

    """
    Add a column of corresponding state names to a dataframe.
    Params(my_df) is a df with a column called "abbrev" that has name abbre.
    Return a copy of the original dataframe, but wioth extra column.

    """


    new_df=my_df.copy()

    name_map={"EA":"Elif Ayar","VA":"Vera Ayar","MA":"Musa Ayar",
              "HA":"Harun Ayar","EAY":"Ekmel Ayar","HAY":"Huma Ayar"}
    
    new_df['name']=new_df['abbrev'].map(name_map)

    #new_df
    
    return new_df