print ("muhammad reza hidayat-50420900-1ia16")

print ("data sebelum di ubah")
Data = [1, 9, 3, 4, 10, 5, 8, 11, 13, 15, 17, 6, 20, 21, 23, 22]
print(Data)P

print (" ")

print ("data setelah di ubah")
Data[4] = 0
print(Data)