第五次作业

#列表循环实数组相加
def Sum(n):
    a=list(range(n))
    b=list(range(0,5*n,5))
    c=[]
    for i in range(len(a)):
        c.append((c))
#print((Sum(10))
#用numpy实现实数组相加
import  numpy
def arySum(n):
    a=numpy.arange(n)
    b=numpy.arange(0,8*n,8)
    c=a+b
    return (c)
print(arySum(10))
from datetime import datetime
#效率
s_sum=datetime.now()
Sum(100)
delta_sum=datetime.now()-s_sum
print(delta_sum)
#效率
s_numpy=datetime.now()
Sum(100)
dalta_numpy=datetime.now()-s_numpy
print(dalta_numpy)