python 列表如何相加:a=[1,2,3,4,5] 输出效果是:1 2 3 3 5 8 4 7...答:a=[1,2,3,4,5]c=[a,]for i in range(1,len(a)):c.append([])for j in range(i):c[i].append(0)for j in range(i,len(a)):c[i].append(c[i-1][j-1]+c[i-1][j])for i in range(len(c)):for j in range(len(c[i])):if c[j][i]==0:print("",end=...
python两个list相乘、相加答:可以使用map函数结合zip函数。下面的代码只适用于python2 l1 = [2,2,2,2]l2 = [3,3,3,3]prod = map(lambda (a,b):a*b, zip(l1,l2))print prod# [6, 6, 6, 6]add = map(lambda (a,b):a+b, zip(l1,l2))print add# [5, 5, 5, 5]...