I believe your problem is __rsub__, not __sub__.
When you havethen that
uses the "r" version of the operators.
In your __rsub__ (used when you have - ) you instead return
- which is backwards.
Notice how the final return should also be -4,95 and not the +4,95 it's
returning.
> If on th
The class Betragswert is used for numerical values as string or integer
and for additions and subtraction.
If on the left side is '0' the result of a subtraction is wrong.
* b1 = Betragswert(500)
b2 = 0 + b1
b3 = 0 - b1
b4 = 5 + b1
b5 = 5 - b1*
print(b1, b2, b3, b4, b5) show
