from statistics import mean
import pprint
 
print('RU do aluno: - ')
 
txt = ["primeira", "segunda", "terceira", "quarta"]
 
boletins = {}
 
def coletar_notas(texto):
  while True:
    try:
      return float(input(f'Digite a {texto} nota: '))
    except ValueError:
      print("<<Nota inválida>>")
 
while True:
  try:
    N = int(input('Qual o número de alunos? '))
    break
  except ValueError:
    print("<<Número inválido>>")
 
for _ in range(N):
  aluno = input('Digite o nome do aluno: ')
  notas = [coletar_notas(t) for t in txt]
  media = mean(notas)
  boletins[aluno] = {
    "notas": notas,
    "média": media,
    "situação": "Reprovado" if media< 7 else "Aprovado"
  }
 
pp = pprint.PrettyPrinter(indent=4)
pp.pprint(boletins)

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

MgpXaWxsCjUKNgo3CjgKTGVzbGllCjYKNwo4Cjk=

2
Will
5
6
7
8
Leslie
6
7
8
9