grade1 = float(input("Digite a 1a nota: "))
grade2 = float(input("Digite a 2a nota: "))
grade3 = float(input("Digite a 3a nota: "))
grade4 = float(input("Digite a 4a nota: "))

average = (grade1+grade2+grade3+grade4)/4

print(f"A média das notas é: {average}")
