gistfile1.txt

import sys


class NewItem:
    def __init__(self, analysis_date, keyword, current_cpc_max, previous_cpc_max):
        self.analysis_date = analysis_date
        self.keyword = keyword
        self.current_cpc_max = current_cpc_max
        self.previous_cpc_max = previous_cpc_max

item = NewItem('2019-12-09', 'keyword', 12.84, 11.83)

d_item = {'analysis_date': '2019-12-09',
          'keyword': 'keyword',
          'current_cpc_max': 12.84,
          'previous_cpc_max': 11.83}

print(f'item size = {sys.getsizeof(item)} |',
      f'd_item size = {sys.getsizeof(d_item)}')