%matplotlib inline
import pandas as pd

df = pd.read_csv('data/gdp.csv', index_col=0)

# 여기에 코드를 작성하세요
nations = pd.Series(df.columns)
nations[nations.str.contains('Korea')]
df.plot(y=["Korea_Rep", "United_States", "United_Kingdom", "Germany", "China", "Japan"])

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