text: import pandas as pd
  import json
  
  def ler_json(arq_json):
      with open(arq_json, 'r', encoding='utf8') as f:
          return json.load(f)
  
  def ler_materia_no_json(json_data, line):
      materia = json_data[line]
      return materia
  
  def ler_dado_da_materia_no_json(json_data, line, key):
      dado = json_data[line][key]
      return dado