How to create a custom string representation for a class object?

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Implement __str__() or __repr__() in the class’s metaclass.

class MC(type):
  def __repr__(self):
    return 'Wahaha!'

class C(object):
  __metaclass__ = MC

print(C)

Use __str__ if you mean a readable stringification, use __repr__ for unambiguous representations.

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