# -*- coding: utf-8 -*-
"""
Created on Sat Dec 18 10:06:34 2021

@author: Sim
"""
from collections import Counter

freq1 = Counter({'파이썬':5, '워드 클라우드':10, 'Counter':3, 
                '데이터과학':7, '통계학':20 })
freq2 = Counter({'파이썬':6, '워드 클라우드':3, '해석학':3, 
                'Java':7, '통계학':20 })

freq = freq1 + freq2
print(freq)