DataFrame obeject operation to use python library pandas

##1.overview
this is python library pandas to output csv files.
how to use DataFrame object and replacement DataFrame index by dict.

##2.sample

sample.py

import pandas as pd

input_csv_file_path = <input_csv_file_path>
output_csv_file_path = <output_csv_file_path> 


def no_list_to_multiple_list(no_list):
    return [index * 2 for index in no_list]


if __name__ == '__main__':
    input = pd.read_csv(filepath_or_buffer=input_csv_file_path , encoding='ms932', sep=',')
    no_list = csv_input['no'].values.tolist()
    multiple_list = [no_list_to_multiple_list(no_list) for _ in no_list]
    dic = dict(zip(no_list, multiple_list))
    input['no'].replace(dic, inplace=True)
    input.set_index(['index'], inplace=True)
    input.to_csv(output_csv_file_path)