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# µû¶óÇÏ¸ç ¹è¿ì´Â ÆÄÀ̽ã°ú µ¥ÀÌÅÍ°úÇÐ(»ý´ÉÃâÆÇ»ç 2020)
# 12.9 ¿À» ±âÁØÀ¸·Î µ¥ÀÌÅÍ ¼±ÅÃÇϱâ, 316ÂÊ
#
import pandas as pd
df_my_index = pd.read_csv('d:/data/countries.csv', index_col = 0)
df_no_index = pd.read_csv('d:/data/countries.csv')
print(df_my_index['population'])
print(df_no_index['population'])