Python selbstständig erarbeiten 10: Arrays

from random import randint

def Aufgabe4():
	feld1 = [randint(1,20)*2]
	feld2 = [randint(0,200)]
	feld3 = [randint(800,1000)]
	feld4 = [randint(0,20)*3]
	for i in range(1,20):
		feld1.append(randint(1,100)*2)
		feld2.append(feld2[i-1]+randint(0,20))
		feld3.append(feld3[i-1]-randint(1,20))
		feld4.append(feld4[i-1]+randint(1,20)*3)
	print(feld1)
	print(feld2)
	print(feld3)
	print(feld4)
Aufgabe4()