(python) function을 파라메터로 받기

def add(x1, x2):

    return x1 + x2

def sub(x1, x2):

    return x1 - x2

def call(function, *args, **kwargs):

    val = function(*args, **kwargs)

    print val

>>> call(add, 1, 2)

3

>>> call(sub, 1, 2)

-1

ref. http://jhproject.tistory.com/109

# type args <type 'tuple'> args = (3, ) + args

# type kwargs <type 'dict'>

ex 2. 

>>> def call(param1, param2, function, *args, **kwargs):

...     print 'param1', param1

...     print 'param2', param2

...     new_args = (param1, ) + args + (param2, )

...     function(*new_args, **kwargs)

>>> def add(a,b,c,d): print a+b+c+d

>>> call(1,2, add, *(3,4))

param1 1

param2 2

10