(self)
return key, value
D.popitem() -> (k, v), remove and return some (key, value) pair
           as a 2-tuple; but raise KeyError if D is empty.
D.popitem() -> (k, v), remove and return some (key, value) pair
           as a 2-tuple; but raise KeyError if D is empty.
D . popitem () - > ( k v ) remove and return some ( key value ) pair as a 2 - tuple ; but raise KeyError if D is empty .
def popitem(self):
        '''D.popitem() -> (k, v), remove and return some (key, value) pair
           as a 2-tuple; but raise KeyError if D is empty.
        '''
        try:
            key = next(iter(self))
        except StopIteration:
            raise KeyError from None
        value = self[key]
        del self[key]
        return key, value
def popitem ( self ) : try : key = next ( iter ( self ) ) except StopIteration : raise KeyError from None value = self [ key ] del self [ key ] return key , value