Why does Python give out “Division by 0!”, if by condition this should only happen when r==0, and I have r==10?

Question

Python

Answer 1

Because you have multiple if blocks. In the first one, where you check for "/", everything works correctly. In the third, you have a bunch of elifs that don't work, but the else does, which just contains a message about division by zero. Solved by replacing 2 and 3 if with elif.