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# µû¶óÇÏ¸ç ¹è¿ì´Â ÆÄÀ̽ã°ú µ¥ÀÌÅÍ°úÇÐ(»ý´ÉÃâÆÇ»ç 2020)
# LAB 12-3 ¿ï¸ªµµ´Â ¸î ¿ù¿¡ ¹Ù¶÷ÀÌ °¡Àå °ÇÒ±î? - groupby() È°¿ë, 324ÂÊ
#
import pandas as pd
import matplotlib.pyplot as plt
import datetime as dt
weather = pd.read_csv('d:/data/weather.csv', encoding='CP949')
weather['month'] = pd.DatetimeIndex(weather['ÀϽÃ']).month
means = weather.groupby('month').mean()
means['Æò±Õdz¼Ó'].plot()
plt.show()