Help! Error

[bwdu]

Hİ everyone!

tosumup is a huge list so i'll only paste the begining of it
tosumup = [[5, 5, 5, 3, 3, 3, 5, 0, 0, 0, 0, 1, 0, 3, 5, 3, 0, 0, 5, 5, 0, 3, 5, 0, 0, 5, 0, 0, 0, 0, 1, 0, 5, 0, 1, 5, 5, 5, 5, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 3, 0, 0, 0, 0, 5, 0, 0, 5, 5, 0, 0, 0, 0, 0, 0, 5, 0, 0, 5, 3, 0, -5, 5, 0, 0, 0, 0, 3, 0, 5, 0], [0, 5, -5, 3, 0, 3, 3, 0, 0, 0, -3, 1, 0, 0, 0, 3, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 5, 0, 0, -5, 3, 0, 0, 0, 0, 1, 0, 5, 0], [], []]
zeros = [51, 67, 0, 0, 81, 0, 73, 66, 83, 47, 66, 60, 0, 0, 0, 82, 61, 74, 48, 71, 0, 84, 84, 62, 82, 71, 0, 64, 72, 86, 34, 37, 73, 0, 87, 53, 83, 63, 43, 63, 77, 0, 24, 44, 78, 83, 70, 0, 78, 41, 0, 81, 64, 82, 62]

tosumup has empty lists and zeros has 0's so, to prevent this error:

Error:
a = sums[i]/(len(tosumup[i])- (zeros[i]))
ZeroDivisionError: division by zero

I wrote this line but it didn't worked. Can you help me with that?

if tosumup[i] != [] and zeros[i] != 0:

This is my code snippet;

avareges = []
sums = []
for i in range(len(tosumup)):
    s = sum(tosumup[i])
    sums.append(s)
    if tosumup[i] != [] and zeros[i] != 0:
        a = sums[i]/(len(tosumup[i])- (zeros[i]))
        avareges.append(a)
print(avareges)
print(sums)