<reponame>alecgtx/algorithm
def fun_callback(input, extend_input):
    print('fun_callback sum : ', input)
    print('fun_callback extend_input : ', extend_input)
    return

def func_call(one, two, f_callback, three):
    result=one+two
    f_callback(result, three)
    return

first=10
second=20
third=30
func_call(first, second, fun_callback, third)

if __name__ == '__main__':
   try:
      pass
   except Exception as e:
      pass