a=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]
b=[True,False,False,True,False,False]
t,f=[],[]
for i in range(len(a)):
if i >= len(b):
c=i%(len(b))
if b[c]==True:
t.append(a[i])
else:
f.append(a[i])
else:
if b[i]==True:
t.append(a[i])
else:
f.append(a[i])
print(t,f)