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def add(a, b, c=3): return a + b + c
result = add(1, 2) print(result)
result = add(1, 2, 6) print(result)
def test_args(*args, **kwargs): print(args, type(args)) print(kwargs, type(args))
test_args(1, 2, 3, 4, 5, 6, 7, 8, 9, name='dewei', age=33, top=174)
def test_args_supre(*args, **kwargs): if len(args) >= 1: print(args[0])
if 'name' in kwargs: print(kwargs['name']) else: print('no name') print(args, len(args)) print(kwargs, len(kwargs))
test_args_supre(1, name='dewei') a = ('python', 'django') b = {'name': 'dewei'} test_args_supre(*a, **b)
def add(a, b=1): print(a + b)
add(1, 2) add(1) add(a=1, b=2) add(b=2, a=1)
def test(a, b=1, *args): print(a, b, args)
s = (1, 2) test(1, 2, *s)
def test2(*args, a, b=1): print(a, b, args)
test2(a=1,b=2, *s)
def test3(a, b=1, **kwargs): print(a, b, kwargs)
test3(1, 2, name='dewei') test3(a=1, b=2, name='dewei') test3(name='dewei', age=33, a=1, b=2)
d = {'name': '小慕'} test3(a=1, b=2, **d) test3(**d, a=1, b=2) test3(**d, a=1, b=2)
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