.py dictionary, 함수 연동

def f1(a, b):
    return a


def f2(a, b):
    return b


calc_dic = {"first": f1,
            "second": f2}
calc_dic["first"](1, 2)
print(calc_dic["first"](1, 2)) # 1
print(calc_dic["second"](1, 2)) # 2