#try to avoid input function
a = [1,2,3,4,3,-7,-90,-5,3,0,-43,-3,-1,54,8]
b = []
c = []
for i in a:
if i > -1:
b.append(i)
else:
c.append(i)
print("Positive elements list is :"+str(b),"Negative elements list is :"+str(c))
Click the run button. Try to avoid input() function.