偏函数固化第一个参数为固定参数,并返回另一个带n-1个参数函数对象,跟c++11的bind一样的作用
from operator import add,mul
from functools import partial
add1=partial(add,1)
mul10=partial(mul,10)
print(add1(10))
print(mul10(10))
print(int('100010'))
print(int('10010',2))
baseTwo=partial(int,base=2)
baseTwo.__doc__='Convert base 2 string to an int'
print(baseTwo('10010'))