EasyPython ProgrammingHigh School (11–12)High School (9–10)UndergraduateGeneralPython Going Further › Inheritance and Special MethodsPython Going Further › Classes and ObjectsConceptual
For each line of code, name the special method that Python calls.
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
For each line of code, name the special method that Python calls.
str(p)p1 == p2len(p)p1 + p2sorted([p1, p2])x in p
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Plan. Each syntax has a special method behind it.
str(p)(andprint(p)):__str__.p1 == p2:__eq__.len(p):__len__.p1 + p2:__add__.sorted([p1, p2]):__lt__, which asks which comes first.x in p:__contains__.
Check. Look at the picture of the special methods, and match each row.
Answer: __str__, __eq__, __len__, __add__, __lt__, __contains__.
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