## 偏函數
* [參考](https://www.liaoxuefeng.com/wiki/001374738125095c955c1e6d8bb493182103fac9270762a000/001386819893624a7edc0e3e3df4d5d852a352b037c93ec000)
>[info] 偏函數用法
~~~
>>> import functools
>>> int2 = functools.partial(int, base=2)
>>> int2('1000000')
64
>>> int2('1010101')
85
~~~
