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)