not1 = float(input("Digite a primeira nota: "))
not2 = float(input("Digite a segunda nota: "))
not3 = float(input("Digite a terceira nota: "))
not4 = float(input("Digite a quarta nota: "))

med = ((not1 * 1) + (not2 * 2) + (not3 * 3) + (not4 * 4))/(1 + 2 + 3 + 4)
print(round(med,2))
