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>>> def f(**kwargs):
print(kwargs)
>>> pre_defined_kwargs = {'a': 1, 'b': 2}
>>> f(c=3, **pre_defined_kwargs)
{'a': 1, 'c': 3, 'b': 2}
>>> dict(pre_defined_kwargs, b=42)
{'a': 1, 'b': 42}
>>> f(c=3, **dict(pre_defined_kwargs, b=42))
{'a': 1, 'c': 3, 'b': 42}