import random
a = [[random.randint(-10,30) for x in range(10)] for x in range(5)]
a2 = a[:]
a3 = a[:]
def linecheck(line):
    for i in line:
        if i < 0:
            return False
    return True
lasti = -1
offset = 0
for i in range(5):
    i -= offset
    if linecheck(a[i]):
        a.remove(a[i])
        offset+=1
for i in range(5):
    if linecheck(a2[i]):
        a2.remove(a2[i])
        break
for i in range(5):
    if linecheck(a3[i]):
        lasti = i
if lasti >=0:
    a3.remove(a3[lasti])
for i in range(5):
    i -= offset
    if linecheck(a[i]):
        a.remove(a[i])
        offset+=1