import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
 
plt.rc('font', family='Malgun Gothic')
df = pd.read_csv('age.csv', encoding='cp949', index_col=0)
df = df.div(df['총인구수'], axis=0)
del df['총인구수'], df['연령구간인구수']
 
name = input('원하는 지역의 이름을 입력해주세요 : ')
a = df.index.str.contains(name)
df2 = df[a]
 
df.loc[np.power(df.sub(df2.iloc[0], axis=1), 2).sum(axis=1).sort_values().index[:5]].T.plot()
 
plt.show()