hashable?

WTF.py

class HashableTrap:
    def __init__(self, data):
        self.data = data

    def __repr__(self):
        return "EvenReprIsSame"

    def __hash__(self):
        return 1


a = HashableTrap(1)
b = HashableTrap(2)

print(a, b)  # EvenReprIsSame EvenReprIsSame
print(hash(a), hash(b))  # 1 1

d = {}

d[a] = 10
print(d)  # {EvenReprIsSame: 10}

d[b] = 20
print(d)  # {EvenReprIsSame: 10, EvenReprIsSame: 20}