a = [5, -2.5, 3, 4, 12, 17]
v = []
b = 0
c = 1
for i in a:
if i>0:
b = b + 1
print(i, end=" ")
elif i<0:
v.insert(i)
print(v.sum())
i.insert(v) AttributeError: 'float' object has no attribute 'insert'
.
you should be using the insert method when working with lists and you should specify the position.. in this case, I think you wanted to use the append method.. check more about the list methods from here