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クロージャ

closure.py
def outer(a, b):
    #関数内だけで使える関数
    def inner(c):
        return a+b+c
    return inner
#この時点では、関数は実行されていない
f = outer(1, 2)
print(type(f))
print(f)
#()をつけると実行される、関数内関数に引数を渡す場合は、この時に渡す
r = f(3)
print(r)
<class 'function'>
<function outer.<locals>.inner at 0x112803290>
6
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