def write_output(init_dict, df):
    """The function converts the simulated variables to a panda data frame and saves the
    data in a txt and a pickle file.
    """
    # Distribute information
    source = init_dict["SIMULATION"]["source"]

    df.to_pickle(source + ".grmpy.pkl")
    with open(source + ".grmpy.txt", "w") as file_:
        df.to_string(file_, index=False, na_rep=".", col_space=15, justify="left")
    return df