import sys
import csv
import pandas as pd
import re

input_file = 'day13\\csv\\supplier_data.csv'
output_file = 'day13\\csv\\output\\pandas_output.csv'

data_frame = pd.read_csv(input_file)
new_data_frame = data_frame.loc[:, ['Invoice Number', 'Purchase Date']]
# iloc -> index, 숫자로 데이터 검색

new_data_frame.to_csv(output_file, index = False)

print('Pandas Done.')
