tests/basics/fun_calldblstar.py


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# test calling a function with keywords given by **dict

def f(a, b):
    print(a, b)

f(1, **{'b':2})
f(1, **{'b':val for val in range(1)})

try:
    f(1, **{len:2})
except TypeError:
    print('TypeError')

# test calling a method with keywords given by **dict

class A:
    def f(self, a, b):
        print(a, b)

a = A()
a.f(1, **{'b':2})
a.f(1, **{'b':val for val in range(1)})

# test for duplicate keys in **kwargs not allowed

def f1(**kwargs):
    print(kwargs)

try:
    f1(**{'a': 1, 'b': 2}, **{'b': 3, 'c': 4})
except TypeError:
    print('TypeError')