第五次作业

from datetime import datetime
print(datetime.now())
now=datetime.now()
date= datetime.strftime(now,"%Y-%m-%d %H:%M:%S")
date1 = '{0:%Y}年{0:%m}月{0:%d}日{0:%H}时{0:%M}分{0:%S}秒'.format(now)
print(date1)
new =datetime.strptime('2018-9-25 22:00','%Y-%m-%d %H:%M')
time = new - now
print(time.days,'天')

 

n = 10


def pySum(n):
    a = list(range(n))
    b = list(range(0, 5 * n, 5))
    c = []
    for i in range(len(a)):
        c.append(a[i] ** 2 + b[i] ** 3)
    return (c)


print(pySum(n))

import numpy


def pySum1(n):
    a = numpy.arange(n)
    b = numpy.arange(0, 5 * n, 5)
    c = a + b
    return (c)


print(pySum1(8))

import numpy


def npSum(n):
    a = numpy.arange(n)
    b = numpy.arange(0, 7 * n, 7)
    c = a ** 2 + b ** 3
    return (c)


from datetime import datetime as dt

start = dt.now()
pySum(100000)
de = dt.now() - start
print(de)

start = dt.now()
npSum(100000)
da = dt.now() - start
print(da)