#!/usr/bin/env python

# -*- coding: utf-8 -*-

#author: dingkai

#mtime: 2018/4/27

def power(x):

    result = x * x

    print(result)

#!/usr/bin/env python

# -*- coding: utf-8 -*-

#author: dingkai

#mtime: 2018/4/27

def power(x,n=1):

    s = 1

    while n > 0:

        n = n - 1

        s = s * x

    return s

def calc(*numbers):

    sum = 0

    for n in numbers:

        sum = sum + n * n

    return sum

print(calc([1,2,3]))

def person(name,age,**every):
    print('name:',name, 'age:',age, 'other:', every)

extra = {'city':'Beijing', 'job':'OPS'}
#person('dingkai',25,city = extra['city'],job = extra['job'])
#person('dingkai',25,**extra)

def person(name,age,*,city,job):

    print(name,age,city,job)

#person('dinkai',26,city='Beijing',job='OPS')