Why is this division not performed correctly?

Question

I\'ve a strange issue in Python: the division is not performed correctly:

print pointB[1]
print pointA[1]
print pointB[0]
print pointA[0]
print  (pointB[1]-         


        

Answer 1

This is how integer division works in python. Either use floats or convert to float in your calculation:

float(pointB[1]-pointA[1]) / (pointB[0]-pointA[0])