数组的加减

a = [0,1,2,3,4]
b = [2,3,4,5,7]
# 用于储存a,b数组的加减结果
r = []
re = []
i = 0
# len(数组长度)
while(i < len(a)):
    add = a[i] + b[i]
    sub = a[i] - b[i]
    # 每次结果储存到r re里
    r.append(add)
    re.append(sub)
    i = i + 1
print('a+b =',r)
print('a-b =',re)

 运行结果